{"title":"18 Inch Subwoofers","description":"\u003cp data-start=\"127\" data-end=\"741\"\u003e18\" subwoofers are built for shoppers who want serious cone area, deeper bass, and the kind of low-end output that smaller subwoofers usually cannot match. In car audio, an 18\" subwoofer is often the move when the goal is no longer just adding bass, but building a system that feels bigger, louder, and more powerful overall. Whether the setup is a hard-hitting daily driver, a demo-oriented build, or a custom enclosure designed around maximum low-end performance, 18\" subwoofers stay in demand for one reason: they can move a lot of air and create bass that gets your attention fast.\u003c\/p\u003e\n\u003cp data-start=\"743\" data-end=\"1249\"\u003eA good 18\" subwoofer can deliver deep extension, heavy output, and a larger overall bass presence than many smaller subwoofers can provide. This size is often chosen by shoppers who already know they want more than a typical entry-level bass upgrade. For many builds, an 18 is about stepping into a more serious category of performance. With the right enclosure, proper electrical support, and enough clean amplifier power, an 18\" subwoofer can become the centerpiece of a very aggressive car audio system.\u003c\/p\u003e\n\u003cp data-start=\"1251\" data-end=\"1811\"\u003eThis page is built to help shoppers compare 18\" car audio subwoofers for loud bass builds, custom enclosures, higher-power systems, and serious low-frequency performance. Some people are shopping for a single 18\" subwoofer to get the deepest and strongest bass possible from one woofer. Others are building dual 18\" subwoofer setups where output, air movement, and enclosure design become a major part of the whole project. Either way, this is not a casual category. It is one of the clearest places in car audio where the setup starts becoming purpose-driven.\u003c\/p\u003e\n\u003cp data-start=\"1813\" data-end=\"2393\"\u003eWhen shopping for an 18\" subwoofer, the full system matters more than ever. RMS power handling, enclosure airspace, mounting depth, impedance, and amplifier matching all play a major role in how well the subwoofer performs. A large woofer needs the right amount of clean power and the correct enclosure design to do what it was built to do. Voice coil configuration also matters when wiring to the correct ohm load and matching the final system to the amplifier. On builds this size, the box, the power, and the electrical system are all just as important as the subwoofer itself.\u003c\/p\u003e\n\u003cp data-start=\"2395\" data-end=\"2857\"\u003eOne of the biggest reasons shoppers move into 18\" subwoofers is low-end authority. This size is known for delivering the kind of bass that feels bigger and more effortless when the setup is right. That does not mean every build needs an 18, but for shoppers with the room, the power, and the goal of building something much stronger than average, this category makes a lot of sense. It is often the answer when a 12\" or 15\" subwoofer no longer feels like enough.\u003c\/p\u003e\n\u003cp data-start=\"2859\" data-end=\"3262\"\u003eAudio Sellerz focuses on real car audio products for real-world bass builds. That means paying attention to how products perform in daily systems, custom installs, and serious high-output setups, not just how they look in a description. 18\" subwoofers remain an important part of car audio because they serve a real purpose for people who want deeper bass, stronger output, and a system that stands out.\u003c\/p\u003e\n\u003cp data-start=\"3264\" data-end=\"3532\"\u003eIf the goal is a more compact setup or a smaller enclosure, it may be worth looking at 10\" subwoofers, 12\" subwoofers, or 15\" subwoofers instead. But for shoppers who want to go bigger, lower, and harder, 18\" subwoofers are one of the strongest categories to consider.\u003c\/p\u003e\n\u003cp data-start=\"3534\" data-end=\"3726\"\u003eShop 18\" subwoofers at Audio Sellerz and find options for high-output bass builds, custom enclosures, serious power setups, and car audio systems that are built to deliver real low-end impact.\u003c\/p\u003e","products":[{"product_id":"godzilla-18-subwoofer","title":"American Bass Godzilla 18\" Subwoofer","description":"\u003c!--This is Tabbing Feature--\u003e\n\u003cdiv class=\"tab-titles\"\u003e\n\u003cbutton class=\"tabtitle active\" onclick=\"openTab(event,'Description')\"\u003eDescription\u003c\/button\u003e \u003cbutton class=\"tabtitle\" onclick=\"openTab(event,'Specifications')\"\u003eSpecifications\u003c\/button\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tabitem\" id=\"Description\"\u003e\n\u003c!--Place Description here--\u003e\n\u003cp data-mce-fragment=\"1\"\u003eUnleash the beast of bass with American Bass USA's Godzilla Subwoofers, where monstrous power meets earth-shattering performance. Encased in a green textured diecast basket with a pure carbon fiber cone, these subs roar to life, delivering clarity and depth that vibrates your soul. With a triple-stack 425 Oz magnet and a 3.5\" high-temp voice coil, they're built to handle the heat of your fiercest tracks. Double silicone spiders and 4GA copper push terminals ensure precision and endurance, making every beat a testament to the might of Godzilla. Get ready to experience bass that's not just heard, but felt, as if the king of monsters himself is orchestrating your soundtrack. \u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tabitem\" id=\"Specifications\"\u003e\n\u003c!--Place Specificationsn Table here--\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 30.6739%;\"\u003e\u003cstrong\u003eRMS POWER\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 66.657%;\"\u003e\u003cspan\u003e4700\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 30.6739%;\"\u003e\u003cstrong\u003eMAX POWER\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 66.657%;\"\u003e\u003cspan\u003e12000\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 30.6739%;\"\u003e\u003cstrong\u003eIMPEDANCE (OHMS)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 66.657%;\"\u003e\u003cspan\u003eD1 \/ D2\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 30.6739%;\"\u003e\u003cstrong\u003eSENSITIVITY DB\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 66.657%;\"\u003e\u003cspan\u003e86.2\/87.3\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 30.6739%;\"\u003e\u003cstrong\u003eMOUNTING DEPTH (IN)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 66.657%;\"\u003e\u003cspan\u003e12.13\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 30.6739%;\"\u003e\u003cstrong\u003eCUTOUT SIZE (IN)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 66.657%;\"\u003e5.12\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 30.6739%;\"\u003e\u003cstrong\u003ePORTED BOX (FT\u003csup\u003e3\u003c\/sup\u003e)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 66.657%;\"\u003e\u003cspan\u003e5.5\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 30.6739%;\"\u003e\u003cstrong\u003eMAGNET SIZE (OZ)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 66.657%;\"\u003e\u003cspan\u003e425\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 30.6739%;\"\u003e\u003cstrong\u003eVOICE COIL SIZE\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 66.657%;\"\u003e\u003cspan\u003e3.5\"\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 30.6739%;\"\u003e\u003cstrong\u003eBASKET TYPE\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 66.657%;\"\u003e\u003cspan\u003eCAST\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 30.6739%;\"\u003e\u003cstrong\u003eRECOMMENDED AMP (PAIR)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 66.657%;\"\u003e\u003cspan\u003eGodfather 11D\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e","brand":"American Bass","offers":[{"title":"1","offer_id":43765258158220,"sku":"GODZILLA-1811","price":1068.48,"currency_code":"USD","in_stock":false},{"title":"2","offer_id":43765258190988,"sku":"GODZILLA-1822","price":1068.48,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/5076\/8524\/files\/godzilla-18-subwoofer-215925.jpg?v=1766297285"},{"product_id":"soundqubed-hdx3-18-competition-subwoofer-1500w-rms-d1-d2","title":"SoundQubed HDX3 18\" Competition Subwoofer 1500W RMS D1 or D2","description":"\u003cp data-start=\"106\" data-end=\"166\"\u003eSoundQubed HDX3 18\" Competition Subwoofer 1500W RMS D1 or D2\u003c\/p\u003e\n\u003cp data-start=\"168\" data-end=\"193\"\u003eSold by AudioSellerz.com.\u003c\/p\u003e\n\u003cp data-start=\"195\" data-end=\"753\"\u003eIf you want an 18\" subwoofer that can bring real low-end authority while still staying efficient and controlled, the SoundQubed HDX3 18 is built for that kind of setup. This heavy-duty competition subwoofer is made for customers who want strong bass, serious output, and a subwoofer that can make the most of real amplifier power. With a made-in-the-USA dual voice coil and a design focused on efficiency, control, and cooling, the HDX3 18 is a strong choice for hard-hitting daily systems and serious bass builds alike. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"755\" data-end=\"1287\"\u003eThe HDX3 can handle 1500 watts RMS and 4500 watts peak power, giving you a solid balance of real power handling and strong output potential. SoundQubed built this series with a thick top plate, high motor force, and a tight gap for a high-efficiency speaker design. The taller 4-spoke cast aluminum frame makes room for a larger diameter spider for lower tuning and better accuracy, while the new roll profile helps achieve low-frequency performance without giving up control or power handling. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1289\" data-end=\"1921\"\u003eThis subwoofer also uses a taller and wider surround for more precise excursion, stronger pulp-blend cones that are lighter than earlier fiberglass-laminate designs, and a thicker, more robust aluminum former with black anodizing. Double slit venting and a higher temperature resin are also part of the design, helping improve cooling, performance, and long-term durability when the system is pushed hard. If you are shopping for an 18\" competition subwoofer, SoundQubed 18\" sub, HDX3 18, or a dual voice coil SPL-style woofer that can play low and stay strong, this one checks the right boxes. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1923\" data-end=\"2262\"\u003eFor system design, the HDX3 18 is offered in D1 and D2 versions and uses a 3\" voice coil, 300 oz magnet, 36 mm Xmax, 10.5\" mounting depth, and a 16 9\/16\" cutout. The recommended ported enclosure range is 5 to 7 cubic feet, giving you room to build around deep output and strong low-frequency response. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"2264\" data-end=\"2278\"\u003eSpecifications\u003c\/p\u003e\n\u003cdiv class=\"TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003ctable data-start=\"2280\" data-end=\"3005\" class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead data-start=\"2280\" data-end=\"2307\"\u003e\n\u003ctr data-start=\"2280\" data-end=\"2307\"\u003e\n\u003cth data-start=\"2280\" data-end=\"2296\" data-col-size=\"sm\" class=\"\"\u003eSpecification\u003c\/th\u003e\n\u003cth data-start=\"2296\" data-end=\"2307\" data-col-size=\"sm\" class=\"\"\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody data-start=\"2318\" data-end=\"3005\"\u003e\n\u003ctr data-start=\"2318\" data-end=\"2340\"\u003e\n\u003ctd data-start=\"2318\" data-end=\"2326\" data-col-size=\"sm\"\u003eBrand\u003c\/td\u003e\n\u003ctd data-start=\"2326\" data-end=\"2340\" data-col-size=\"sm\"\u003eSoundQubed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2341\" data-end=\"2358\"\u003e\n\u003ctd data-start=\"2341\" data-end=\"2350\" data-col-size=\"sm\"\u003eSeries\u003c\/td\u003e\n\u003ctd data-start=\"2350\" data-end=\"2358\" data-col-size=\"sm\"\u003eHDX3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2359\" data-end=\"2381\"\u003e\n\u003ctd data-start=\"2359\" data-end=\"2374\" data-col-size=\"sm\"\u003eSpeaker Size\u003c\/td\u003e\n\u003ctd data-start=\"2374\" data-end=\"2381\" data-col-size=\"sm\"\u003e18\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2382\" data-end=\"2440\"\u003e\n\u003ctd data-start=\"2382\" data-end=\"2399\" data-col-size=\"sm\"\u003eSubwoofer Type\u003c\/td\u003e\n\u003ctd data-start=\"2399\" data-end=\"2440\" data-col-size=\"sm\"\u003eCompetition dual voice coil subwoofer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2441\" data-end=\"2476\"\u003e\n\u003ctd data-start=\"2441\" data-end=\"2462\" data-col-size=\"sm\"\u003eRMS Power Handling\u003c\/td\u003e\n\u003ctd data-start=\"2462\" data-end=\"2476\" data-col-size=\"sm\"\u003e1500 watts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2477\" data-end=\"2513\"\u003e\n\u003ctd data-start=\"2477\" data-end=\"2499\" data-col-size=\"sm\"\u003ePeak Power Handling\u003c\/td\u003e\n\u003ctd data-start=\"2499\" data-end=\"2513\" data-col-size=\"sm\"\u003e4500 watts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2514\" data-end=\"2546\"\u003e\n\u003ctd data-start=\"2514\" data-end=\"2534\" data-col-size=\"sm\"\u003eImpedance Options\u003c\/td\u003e\n\u003ctd data-start=\"2534\" data-end=\"2546\" data-col-size=\"sm\"\u003eD1 or D2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2547\" data-end=\"2573\"\u003e\n\u003ctd data-start=\"2547\" data-end=\"2563\" data-col-size=\"sm\"\u003eMagnet Weight\u003c\/td\u003e\n\u003ctd data-start=\"2563\" data-end=\"2573\" data-col-size=\"sm\"\u003e300 oz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2574\" data-end=\"2602\"\u003e\n\u003ctd data-start=\"2574\" data-end=\"2596\" data-col-size=\"sm\"\u003eVoice Coil Diameter\u003c\/td\u003e\n\u003ctd data-start=\"2596\" data-end=\"2602\" data-col-size=\"sm\"\u003e3\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2603\" data-end=\"2626\"\u003e\n\u003ctd data-start=\"2603\" data-end=\"2617\" data-col-size=\"sm\"\u003eCoil Length\u003c\/td\u003e\n\u003ctd data-start=\"2617\" data-end=\"2626\" data-col-size=\"sm\"\u003e50 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2627\" data-end=\"2651\"\u003e\n\u003ctd data-start=\"2627\" data-end=\"2642\" data-col-size=\"sm\"\u003eUsable Throw\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2642\" data-end=\"2651\"\u003e68 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2652\" data-end=\"2669\"\u003e\n\u003ctd data-start=\"2652\" data-end=\"2657\" data-col-size=\"sm\"\u003eFs\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2657\" data-end=\"2669\"\u003e27.59 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2670\" data-end=\"2691\"\u003e\n\u003ctd data-start=\"2670\" data-end=\"2677\" data-col-size=\"sm\"\u003eZmax\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2677\" data-end=\"2691\"\u003e55.47 ohms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2692\" data-end=\"2707\"\u003e\n\u003ctd data-start=\"2692\" data-end=\"2698\" data-col-size=\"sm\"\u003eQms\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2698\" data-end=\"2707\"\u003e5.777\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2708\" data-end=\"2724\"\u003e\n\u003ctd data-start=\"2708\" data-end=\"2714\" data-col-size=\"sm\"\u003eQes\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2714\" data-end=\"2724\"\u003e0.4724\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2725\" data-end=\"2741\"\u003e\n\u003ctd data-start=\"2725\" data-end=\"2731\" data-col-size=\"sm\"\u003eQts\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2731\" data-end=\"2741\"\u003e0.4367\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2742\" data-end=\"2764\"\u003e\n\u003ctd data-start=\"2742\" data-end=\"2748\" data-col-size=\"sm\"\u003eVas\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2748\" data-end=\"2764\"\u003e168.6 liters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2765\" data-end=\"2779\"\u003e\n\u003ctd data-start=\"2765\" data-end=\"2770\" data-col-size=\"sm\"\u003eLe\u003c\/td\u003e\n\u003ctd data-start=\"2770\" data-end=\"2779\" data-col-size=\"sm\"\u003e2.563\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2780\" data-end=\"2801\"\u003e\n\u003ctd data-start=\"2780\" data-end=\"2786\" data-col-size=\"sm\"\u003eMms\u003c\/td\u003e\n\u003ctd data-start=\"2786\" data-end=\"2801\" data-col-size=\"sm\"\u003e410.9 grams\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2802\" data-end=\"2817\"\u003e\n\u003ctd data-start=\"2802\" data-end=\"2808\" data-col-size=\"sm\"\u003eCms\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2808\" data-end=\"2817\"\u003e0.081\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2818\" data-end=\"2844\"\u003e\n\u003ctd data-start=\"2818\" data-end=\"2832\" data-col-size=\"sm\"\u003eSensitivity\u003c\/td\u003e\n\u003ctd data-start=\"2832\" data-end=\"2844\" data-col-size=\"sm\"\u003e90.64 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2845\" data-end=\"2859\"\u003e\n\u003ctd data-start=\"2845\" data-end=\"2850\" data-col-size=\"sm\"\u003eBL\u003c\/td\u003e\n\u003ctd data-start=\"2850\" data-end=\"2859\" data-col-size=\"sm\"\u003e25.14\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2860\" data-end=\"2876\"\u003e\n\u003ctd data-start=\"2860\" data-end=\"2867\" data-col-size=\"sm\"\u003eXmax\u003c\/td\u003e\n\u003ctd data-start=\"2867\" data-end=\"2876\" data-col-size=\"sm\"\u003e36 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2877\" data-end=\"2894\"\u003e\n\u003ctd data-start=\"2877\" data-end=\"2882\" data-col-size=\"sm\"\u003eSd\u003c\/td\u003e\n\u003ctd data-start=\"2882\" data-end=\"2894\" data-col-size=\"sm\"\u003e0.121 m2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2895\" data-end=\"2921\"\u003e\n\u003ctd data-start=\"2895\" data-end=\"2912\" data-col-size=\"sm\"\u003eMounting Depth\u003c\/td\u003e\n\u003ctd data-start=\"2912\" data-end=\"2921\" data-col-size=\"sm\"\u003e10.5\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2922\" data-end=\"2952\"\u003e\n\u003ctd data-start=\"2922\" data-end=\"2940\" data-col-size=\"sm\"\u003eCutout Diameter\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2940\" data-end=\"2952\"\u003e16 9\/16\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2953\" data-end=\"3005\"\u003e\n\u003ctd data-start=\"2953\" data-end=\"2984\" data-col-size=\"sm\"\u003eRecommended Ported Enclosure\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2984\" data-end=\"3005\"\u003e5 to 7 cubic feet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"SoundQubed","offers":[{"title":"D1","offer_id":43841743290508,"sku":"","price":549.95,"currency_code":"USD","in_stock":false},{"title":"D2","offer_id":43841743323276,"sku":"","price":549.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/5076\/8524\/files\/1__37652.webp?v=1745089702"},{"product_id":"soundqubed-hdx4-18-competition-subwoofer-2000w-rms-d1-d2","title":"SoundQubed HDX4 18\" Competition Subwoofer 2000W RMS D1 or D2","description":"\u003cp data-start=\"106\" data-end=\"166\"\u003eSoundQubed HDX4 18\" Competition Subwoofer 2000W RMS D1 or D2\u003c\/p\u003e\n\u003cp data-start=\"168\" data-end=\"193\"\u003eSold by AudioSellerz.com.\u003c\/p\u003e\n\u003cp data-start=\"195\" data-end=\"687\"\u003eIf you want an 18\" subwoofer built for real low-frequency authority, the SoundQubed HDX4 18 is made for exactly that. This dual voice coil competition subwoofer was developed to play lower, stay efficient, and deliver stronger performance in the frequency range many real-world vehicles and modern music demand. It is a serious choice when you want deep bass, high output, and a subwoofer that can make the most of amplifier power and electrical support. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"689\" data-end=\"1209\"\u003eThe HDX4 line builds on the HDC platform with improved low-frequency performance, increased excursion, and stronger overall durability. The cast basket allows for larger diameter spiders, giving the suspension more room for cone and spider travel while also improving airflow and heat dissipation. It also uses spiders with more and higher rolls to increase freedom of movement and lower Fs, along with a higher surround profile to reduce material stress while increasing excursion. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1211\" data-end=\"1706\"\u003eStrength matters just as much as output, and the HDX4 18 is built with that in mind. It uses a fiberglass-reinforced pulp cone for added rigidity, a non-press cone formation process to increase cone wall cross-section without unnecessary mass, and high-quality American-made voice coil wire and adhesives to increase the thermal working range of the coil. Thicker black-anodized aluminum formers are also used to improve thermal transfer from the coil wire. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1708\" data-end=\"2225\"\u003eIf you are shopping for an 18\" competition subwoofer, SoundQubed 18\" sub, HDX4 18, low-frequency SPL subwoofer, or high-excursion dual voice coil subwoofer, this model checks the right boxes. The HDX4 18 is rated at 2000 watts RMS and 6000 watts peak power, uses a 4\" voice coil, a 403 oz motor, 31 mm Xmax, and is offered in D1 and D2 versions. The recommended ported enclosure range is 5 to 7 cubic feet, giving you room to build around strong output and deep low-end response. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"2227\" data-end=\"2241\"\u003eSpecifications\u003c\/p\u003e\n\u003cdiv class=\"TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003ctable data-start=\"2243\" data-end=\"2900\" class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead data-start=\"2243\" data-end=\"2270\"\u003e\n\u003ctr data-start=\"2243\" data-end=\"2270\"\u003e\n\u003cth data-start=\"2243\" data-end=\"2259\" data-col-size=\"sm\" class=\"\"\u003eSpecification\u003c\/th\u003e\n\u003cth data-start=\"2259\" data-end=\"2270\" data-col-size=\"sm\" class=\"\"\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody data-start=\"2281\" data-end=\"2900\"\u003e\n\u003ctr data-start=\"2281\" data-end=\"2303\"\u003e\n\u003ctd data-start=\"2281\" data-end=\"2289\" data-col-size=\"sm\"\u003eBrand\u003c\/td\u003e\n\u003ctd data-start=\"2289\" data-end=\"2303\" data-col-size=\"sm\"\u003eSoundQubed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2304\" data-end=\"2321\"\u003e\n\u003ctd data-start=\"2304\" data-end=\"2313\" data-col-size=\"sm\"\u003eSeries\u003c\/td\u003e\n\u003ctd data-start=\"2313\" data-end=\"2321\" data-col-size=\"sm\"\u003eHDX4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2322\" data-end=\"2344\"\u003e\n\u003ctd data-start=\"2322\" data-end=\"2337\" data-col-size=\"sm\"\u003eSpeaker Size\u003c\/td\u003e\n\u003ctd data-start=\"2337\" data-end=\"2344\" data-col-size=\"sm\"\u003e18\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2345\" data-end=\"2403\"\u003e\n\u003ctd data-start=\"2345\" data-end=\"2362\" data-col-size=\"sm\"\u003eSubwoofer Type\u003c\/td\u003e\n\u003ctd data-start=\"2362\" data-end=\"2403\" data-col-size=\"sm\"\u003eCompetition dual voice coil subwoofer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2404\" data-end=\"2439\"\u003e\n\u003ctd data-start=\"2404\" data-end=\"2425\" data-col-size=\"sm\"\u003eRMS Power Handling\u003c\/td\u003e\n\u003ctd data-start=\"2425\" data-end=\"2439\" data-col-size=\"sm\"\u003e2000 watts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2440\" data-end=\"2476\"\u003e\n\u003ctd data-start=\"2440\" data-end=\"2462\" data-col-size=\"sm\"\u003ePeak Power Handling\u003c\/td\u003e\n\u003ctd data-start=\"2462\" data-end=\"2476\" data-col-size=\"sm\"\u003e6000 watts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2477\" data-end=\"2509\"\u003e\n\u003ctd data-start=\"2477\" data-end=\"2497\" data-col-size=\"sm\"\u003eImpedance Options\u003c\/td\u003e\n\u003ctd data-start=\"2497\" data-end=\"2509\" data-col-size=\"sm\"\u003eD1 or D2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2510\" data-end=\"2536\"\u003e\n\u003ctd data-start=\"2510\" data-end=\"2526\" data-col-size=\"sm\"\u003eMagnet Weight\u003c\/td\u003e\n\u003ctd data-start=\"2526\" data-end=\"2536\" data-col-size=\"sm\"\u003e403 oz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2537\" data-end=\"2565\"\u003e\n\u003ctd data-start=\"2537\" data-end=\"2559\" data-col-size=\"sm\"\u003eVoice Coil Diameter\u003c\/td\u003e\n\u003ctd data-start=\"2559\" data-end=\"2565\" data-col-size=\"sm\"\u003e4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2566\" data-end=\"2582\"\u003e\n\u003ctd data-start=\"2566\" data-end=\"2571\" data-col-size=\"sm\"\u003eFs\u003c\/td\u003e\n\u003ctd data-start=\"2571\" data-end=\"2582\" data-col-size=\"sm\"\u003e22.8 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2583\" data-end=\"2603\"\u003e\n\u003ctd data-start=\"2583\" data-end=\"2590\" data-col-size=\"sm\"\u003eZmax\u003c\/td\u003e\n\u003ctd data-start=\"2590\" data-end=\"2603\" data-col-size=\"sm\"\u003e19.3 ohms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2604\" data-end=\"2619\"\u003e\n\u003ctd data-start=\"2604\" data-end=\"2610\" data-col-size=\"sm\"\u003eQms\u003c\/td\u003e\n\u003ctd data-start=\"2610\" data-end=\"2619\" data-col-size=\"sm\"\u003e4.568\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2620\" data-end=\"2636\"\u003e\n\u003ctd data-start=\"2620\" data-end=\"2626\" data-col-size=\"sm\"\u003eQes\u003c\/td\u003e\n\u003ctd data-start=\"2626\" data-end=\"2636\" data-col-size=\"sm\"\u003e0.4852\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2637\" data-end=\"2653\"\u003e\n\u003ctd data-start=\"2637\" data-end=\"2643\" data-col-size=\"sm\"\u003eQts\u003c\/td\u003e\n\u003ctd data-start=\"2643\" data-end=\"2653\" data-col-size=\"sm\"\u003e0.4386\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2654\" data-end=\"2676\"\u003e\n\u003ctd data-start=\"2654\" data-end=\"2660\" data-col-size=\"sm\"\u003eVas\u003c\/td\u003e\n\u003ctd data-start=\"2660\" data-end=\"2676\" data-col-size=\"sm\"\u003e163.3 liters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2677\" data-end=\"2691\"\u003e\n\u003ctd data-start=\"2677\" data-end=\"2682\" data-col-size=\"sm\"\u003eLe\u003c\/td\u003e\n\u003ctd data-start=\"2682\" data-end=\"2691\" data-col-size=\"sm\"\u003e2.477\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2692\" data-end=\"2713\"\u003e\n\u003ctd data-start=\"2692\" data-end=\"2698\" data-col-size=\"sm\"\u003eMms\u003c\/td\u003e\n\u003ctd data-start=\"2698\" data-end=\"2713\" data-col-size=\"sm\"\u003e616.8 grams\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2714\" data-end=\"2729\"\u003e\n\u003ctd data-start=\"2714\" data-end=\"2720\" data-col-size=\"sm\"\u003eCms\u003c\/td\u003e\n\u003ctd data-start=\"2720\" data-end=\"2729\" data-col-size=\"sm\"\u003e0.078\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2730\" data-end=\"2756\"\u003e\n\u003ctd data-start=\"2730\" data-end=\"2744\" data-col-size=\"sm\"\u003eSensitivity\u003c\/td\u003e\n\u003ctd data-start=\"2744\" data-end=\"2756\" data-col-size=\"sm\"\u003e87.95 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2757\" data-end=\"2770\"\u003e\n\u003ctd data-start=\"2757\" data-end=\"2762\" data-col-size=\"sm\"\u003eBL\u003c\/td\u003e\n\u003ctd data-start=\"2762\" data-end=\"2770\" data-col-size=\"sm\"\u003e18.4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2771\" data-end=\"2787\"\u003e\n\u003ctd data-start=\"2771\" data-end=\"2778\" data-col-size=\"sm\"\u003eXmax\u003c\/td\u003e\n\u003ctd data-start=\"2778\" data-end=\"2787\" data-col-size=\"sm\"\u003e31 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2788\" data-end=\"2816\"\u003e\n\u003ctd data-start=\"2788\" data-end=\"2805\" data-col-size=\"sm\"\u003eMounting Depth\u003c\/td\u003e\n\u003ctd data-start=\"2805\" data-end=\"2816\" data-col-size=\"sm\"\u003e11 5\/8\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2817\" data-end=\"2847\"\u003e\n\u003ctd data-start=\"2817\" data-end=\"2835\" data-col-size=\"sm\"\u003eCutout Diameter\u003c\/td\u003e\n\u003ctd data-start=\"2835\" data-end=\"2847\" data-col-size=\"sm\"\u003e16 9\/16\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2848\" data-end=\"2900\"\u003e\n\u003ctd data-start=\"2848\" data-end=\"2879\" data-col-size=\"sm\"\u003eRecommended Ported Enclosure\u003c\/td\u003e\n\u003ctd data-start=\"2879\" data-end=\"2900\" data-col-size=\"sm\"\u003e5 to 7 cubic feet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"SoundQubed","offers":[{"title":"D2","offer_id":43841818722444,"sku":"","price":899.95,"currency_code":"USD","in_stock":true},{"title":"D1","offer_id":43841818755212,"sku":"","price":899.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/5076\/8524\/files\/8__31763.webp?v=1745089702"},{"product_id":"resilient-sounds-gold-18-v2-18-inch-subwoofer-1500w-rms","title":"Resilient Sounds Gold 18 V2 18\" Subwoofer – 1500W RMS Dual 2 or Dual 4 Ohm (Single)","description":"\u003cp data-start=\"113\" data-end=\"249\"\u003eResilient Sounds Gold 18 V2 18\" Subwoofer – 1500W RMS Dual 2 or Dual 4 Ohm (Single)\u003cbr data-start=\"222\" data-end=\"225\"\u003eSold by AudioSellerz.com\u003c\/p\u003e\n\u003cp data-start=\"251\" data-end=\"1031\"\u003eThe Resilient Sounds Gold 18 V2 is built for people who want a serious 18 that hits hard, stays controlled, and brings real low-end authority to a high-output system. This is the kind of subwoofer that makes sense for bass lovers who want more than just size. Resilient built the Gold V2 around a larger triple stack motor, an extended 3 inch 4-layer voice coil, and a heavy-duty suspension package so it can handle real power while still delivering the kind of deep bass people expect from a properly built 18. It is conservatively rated at 1500 watts RMS, which gives it plenty of headroom for strong daily setups, demo-style builds, and customers who want dependable low-frequency output without stepping into an ultra-extreme power class. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1033\" data-end=\"1717\"\u003eOne of the key upgrades on the Gold 18 V2 is the revised motor and coil package. The product page calls out a triple stack 220 mm motor with venting for better efficiency and performance, along with a 3 inch 4-layer voice coil that is 25% longer than the V1 for improved heat dissipation and power handling. Resilient also pairs that with a high-roll tooled surround rated with 31 mm XMAX, a 10 inch spider pack with dual sewn leads, and an aluminum shorting ring inside a cast aluminum frame. In real-world terms, that gives you an 18 built to move real air, stay more stable under power, and keep distortion in check when the bass gets serious. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1719\" data-end=\"2328\"\u003eBox flexibility is another reason this sub makes sense in a serious build. Resilient recommends 4 to 6 cubic feet per subwoofer, 12 to 16 square inches of port area per cubic foot, and a tuning range of 28 to 32 Hz. That gives builders room to lean toward a deeper daily setup or a stronger high-output ported design depending on the goal. With an 11.56 inch mounting depth, 16.93 inch cutout diameter, and 0.28 cubic foot displacement, this is clearly a large-frame woofer that needs real space, but that is exactly what most people shopping for a true 18 are expecting. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"2330\" data-end=\"2586\"\u003eIf you want an 18 that brings serious bass, practical power handling, and a platform that can be built around with confidence, the Resilient Sounds Gold 18 V2 is the kind of subwoofer worth giving the room it deserves. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"2588\" data-end=\"2604\"\u003e\u003cstrong data-start=\"2588\" data-end=\"2604\"\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"2606\" data-end=\"2667\"\u003eSize: 18 inch subwoofer \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"2669\" data-end=\"2737\"\u003ePower Handling: 1500 watts RMS \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"2739\" data-end=\"2820\"\u003eImpedance Options: Dual 2 ohm or Dual 4 ohm \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"2822\" data-end=\"2945\"\u003eMotor: Triple stack 220 mm motor with venting for improved efficiency and performance \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"2947\" data-end=\"3089\"\u003eVoice Coil: 3 inch 4-layer voice coil, 25% longer than V1 for better heat dissipation and power handling \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"3091\" data-end=\"3201\"\u003eSurround: High-roll tooled surround with 31 mm XMAX for strong excursion \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"3203\" data-end=\"3311\"\u003eSpider Pack: 10 inch spider pack with dual sewn leads for durability \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"3313\" data-end=\"3413\"\u003eShorting Ring: Aluminum shorting ring for reduced distortion \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"3415\" data-end=\"3519\"\u003eFrame: Cast aluminum frame for strength and structural integrity \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"3521\" data-end=\"3619\"\u003eMotor Details: Engraved bottom plate and molded motor boot \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"3621\" data-end=\"3689\"\u003eMounting Depth: 11.56 inches \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"3691\" data-end=\"3760\"\u003eCutout Diameter: 16.93 inches \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"3762\" data-end=\"3831\"\u003eDisplacement: 0.28 cubic feet \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"3833\" data-end=\"3898\"\u003eSold As: Single subwoofer \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"3900\" data-end=\"3929\"\u003e\u003cstrong data-start=\"3900\" data-end=\"3929\"\u003eEnclosure Recommendations\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"3931\" data-end=\"4017\"\u003eEnclosure Volume: 4–6 cubic feet per subwoofer \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"4019\" data-end=\"4109\"\u003eTuning Range: 28–32 Hz for strong low-end response \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"4111\" data-end=\"4188\"\u003ePort Area: 12–16 sq in per cubic foot \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"4190\" data-end=\"4490\"\u003eWhether you are planning a big daily setup, a demo build, or a serious ported system that needs a real 18, the Gold 18 V2 gives you the motor strength, coil length, suspension, and box flexibility needed to build around deep bass instead of just chasing specs.\u003c\/p\u003e","brand":"Resilient Sounds","offers":[{"title":"D2","offer_id":44133448188044,"sku":"","price":499.99,"currency_code":"USD","in_stock":true},{"title":"D4","offer_id":44133448220812,"sku":"","price":499.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/5076\/8524\/files\/RESILIENT-SOUNDS-GOLD-18-V2-1500RMS-WOOFER-Subwoofers-physical_25222__52704.jpg?v=1766297397"},{"product_id":"resilient-sounds-platinum-18-v2-18-inch-subwoofer-2500w-rms","title":"Resilient Sounds Platinum 18 V2 18\" Subwoofer – 2500W RMS Dual 1 or Dual 2 Ohm (Single)","description":"\u003cp data-start=\"117\" data-end=\"257\"\u003eResilient Sounds Platinum 18 V2 18\" Subwoofer – 2500W RMS Dual 1 or Dual 2 Ohm (Single)\u003cbr data-start=\"230\" data-end=\"233\"\u003eSold by AudioSellerz.com\u003c\/p\u003e\n\u003cp data-start=\"259\" data-end=\"877\"\u003eThe Resilient Sounds Platinum 18 V2 is built for people who want an 18 that is meant to do real damage in a serious bass setup. This is not an entry-level woofer and it is not aimed at small power. Resilient built the Platinum V2 around a larger motor, a longer 3 inch 8-layer voice coil, and a heavy-duty suspension package so it can stay together when the power starts climbing. Rated at 2500 watts RMS and 5000 watts peak, this sub is made for high-output daily systems, serious demo builds, and customers who want a platform that can take real abuse and still keep moving air. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"879\" data-end=\"1517\"\u003eOne of the big upgrades on the Platinum 18 V2 is the engineering behind the motor and soft parts. The product page calls out a 13% larger motor, a 20% longer 3 inch 8-layer voice coil, and a 50% BL^2\/RE boost for improved efficiency and output. Resilient also pairs that with a 10 inch spider pack with insulated dual leads, a high-roll tooled surround, and a carbon fiber cone and dust cap. In real-world terms, that means this 18 is built to handle serious excursion, stay more stable under power, and give you the kind of output people expect when they step into a real high-end 18 inch subwoofer. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1519\" data-end=\"2125\"\u003eBox flexibility is another reason this sub makes sense in a serious build. Resilient recommends 4 to 6 cubic feet per subwoofer, 12 to 16 square inches of port area per cubic foot, and a tuning range of 28 to 33 Hz. That gives builders room to lean toward a bigger low-end daily setup or a harder-hitting high-output ported design depending on the goal. With a 12.5 inch mounting depth and 16.93 inch cutout, it is clearly a large-frame woofer that needs proper space, but that is exactly what most customers expect when shopping for a true 18 built to make real bass. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"2127\" data-end=\"2391\"\u003eIf you are after a serious 18 that can take real power, dig deep, and serve as the centerpiece of a no-compromise bass build, the Resilient Sounds Platinum 18 V2 is the kind of subwoofer worth building the whole system around. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"2393\" data-end=\"2409\"\u003e\u003cstrong data-start=\"2393\" data-end=\"2409\"\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"2411\" data-end=\"2472\"\u003eSize: 18 inch subwoofer \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"2474\" data-end=\"2560\"\u003ePower Handling: 2500 watts RMS \/ 5000 watts peak \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"2562\" data-end=\"2643\"\u003eImpedance Options: Dual 1 ohm or Dual 2 ohm \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"2645\" data-end=\"2760\"\u003eMotor: 13% larger motor for increased magnetic force and stronger bass output \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"2762\" data-end=\"2895\"\u003eVoice Coil: 3 inch 8-layer voice coil, 20% longer for improved thermal handling and reliability \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"2897\" data-end=\"3007\"\u003eEfficiency Upgrade: 50% BL^2\/RE boost for improved efficiency and output \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"3009\" data-end=\"3107\"\u003eSpider Pack: 10 inch spider pack with insulated dual leads \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"3109\" data-end=\"3215\"\u003eSurround: New high-roll tooled surround for greater cone excursion \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"3217\" data-end=\"3293\"\u003eCone: Carbon fiber cone and dust cap \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"3295\" data-end=\"3396\"\u003eFrame: Cast aluminum frame for strength and reduced vibration \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"3398\" data-end=\"3465\"\u003eMounting Depth: 12.5 inches \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"3467\" data-end=\"3536\"\u003eCutout Diameter: 16.93 inches \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"3538\" data-end=\"3607\"\u003eDisplacement: 0.33 cubic feet \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"3609\" data-end=\"3674\"\u003eSold As: Single subwoofer \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"3676\" data-end=\"3705\"\u003e\u003cstrong data-start=\"3676\" data-end=\"3705\"\u003eEnclosure Recommendations\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"3707\" data-end=\"3793\"\u003eEnclosure Volume: 4–6 cubic feet per subwoofer \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"3795\" data-end=\"3885\"\u003eTuning Range: 28–33 Hz for strong low-end response \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"3887\" data-end=\"3985\"\u003ePort Area: 12–16 sq in per cubic foot for improved airflow \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"3987\" data-end=\"4292\"\u003eWhether you are planning a big daily setup, a serious demo build, or a high-output competition-style system, the Platinum 18 V2 gives you the motor force, coil design, suspension, and enclosure range needed to build around real low-frequency output instead of hype.\u003c\/p\u003e","brand":"Resilient Sounds","offers":[{"title":"D1","offer_id":44133509431436,"sku":"","price":749.99,"currency_code":"USD","in_stock":true},{"title":"D2","offer_id":44133509464204,"sku":"","price":749.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/5076\/8524\/files\/Copy-of-Resilient-Sounds-Platinum-15-V2-Subwoofers-physical_25825__39545.jpg?v=1766297393"},{"product_id":"sky-high-car-audio-fxb-18-1500w-rms-d2-d4-subwoofer","title":"Sky High Car Audio FXB Series 18\" Subwoofer – 1500W RMS D2\/D4","description":"\u003cp data-start=\"123\" data-end=\"235\"\u003e\u003cstrong data-start=\"123\" data-end=\"206\"\u003eSky High Car Audio FXB Series 18\" Subwoofer – 1500W RMS Dual 2 Ohm \/ Dual 4 Ohm\u003c\/strong\u003e\u003cbr data-start=\"206\" data-end=\"209\"\u003eSold by AudioSellerz.com\u003c\/p\u003e\n\u003cp data-start=\"237\" data-end=\"667\"\u003eThe \u003cstrong data-start=\"241\" data-end=\"288\"\u003eSky High Car Audio FXB Series 18\" Subwoofer\u003c\/strong\u003e is built for people who want \u003cem data-start=\"318\" data-end=\"324\"\u003ereal\u003c\/em\u003e 18 inch bass without jumping into four-figure woofer territory. Part of the \u003cstrong data-start=\"401\" data-end=\"450\"\u003eFXB – “Sky High Performance. Everyday Price.”\u003c\/strong\u003e line, this 18\" sub is designed to bring \u003cstrong data-start=\"491\" data-end=\"567\"\u003eserious low-end output, strong motor control, and real-world reliability\u003c\/strong\u003e to street demos, loud dailies, and budget SPL-style builds. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"669\" data-end=\"1045\"\u003eEngineered with the same design mindset as Sky High’s higher-tier series, the FXB line focuses on \u003cstrong data-start=\"767\" data-end=\"826\"\u003emotor strength, coil durability, and suspension control\u003c\/strong\u003e—not just flashy spec-sheet numbers. The FXB 18 sits in the \u003cstrong data-start=\"886\" data-end=\"905\"\u003e1500W RMS class\u003c\/strong\u003e, using a heavy-duty motor, big coil, and robust suspension to handle real power in real enclosures. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1047\" data-end=\"1244\"\u003eWith its huge cone area and long throw design, the FXB 18 can move a serious amount of air when paired with the right amp and box, giving you deep, room-filling bass in SUVs, vans, and wall builds.\u003c\/p\u003e\n\u003cp data-start=\"1246\" data-end=\"1262\"\u003e\u003cstrong data-start=\"1246\" data-end=\"1262\"\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1264\" data-end=\"2175\"\u003e\n\u003cli data-start=\"1264\" data-end=\"1350\"\u003e\n\u003cp data-start=\"1266\" data-end=\"1350\"\u003e\u003cstrong data-start=\"1266\" data-end=\"1275\"\u003eSize:\u003c\/strong\u003e 18\" FXB Series car audio subwoofer \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1351\" data-end=\"1469\"\u003e\n\u003cp data-start=\"1353\" data-end=\"1469\"\u003e\u003cstrong data-start=\"1353\" data-end=\"1372\"\u003ePower Handling:\u003c\/strong\u003e \u003cstrong data-start=\"1373\" data-end=\"1392\"\u003e1500W RMS class\u003c\/strong\u003e (FXB series rating range for 12–18\") \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1470\" data-end=\"1645\"\u003e\n\u003cp data-start=\"1472\" data-end=\"1645\"\u003e\u003cstrong data-start=\"1472\" data-end=\"1494\"\u003eImpedance Options:\u003c\/strong\u003e Available in \u003cstrong data-start=\"1508\" data-end=\"1527\"\u003edual 2 ohm (D2)\u003c\/strong\u003e and \u003cstrong data-start=\"1532\" data-end=\"1551\"\u003edual 4 ohm (D4)\u003c\/strong\u003e for flexible wiring to different monoblock amplifiers \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1646\" data-end=\"1928\"\u003e\n\u003cp data-start=\"1648\" data-end=\"1678\"\u003e\u003cstrong data-start=\"1648\" data-end=\"1676\"\u003eFXB Series Design Goals:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1681\" data-end=\"1928\"\u003e\n\u003cli data-start=\"1681\" data-end=\"1741\"\u003e\n\u003cp data-start=\"1683\" data-end=\"1741\"\u003eBuilt to \u003cstrong data-start=\"1692\" data-end=\"1739\"\u003ebring real bass power to real-world budgets\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1744\" data-end=\"1815\"\u003e\n\u003cp data-start=\"1746\" data-end=\"1815\"\u003eUses the same engineering principles as Sky High’s higher-tier subs\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1818\" data-end=\"1928\"\u003e\n\u003cp data-start=\"1820\" data-end=\"1928\"\u003eFocus on \u003cstrong data-start=\"1829\" data-end=\"1888\"\u003emotor strength, coil durability, and suspension control\u003c\/strong\u003e \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1929\" data-end=\"2175\"\u003e\n\u003cp data-start=\"1931\" data-end=\"1955\"\u003e\u003cstrong data-start=\"1931\" data-end=\"1953\"\u003eApplication Style:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1958\" data-end=\"2175\"\u003e\n\u003cli data-start=\"1958\" data-end=\"2049\"\u003e\n\u003cp data-start=\"1960\" data-end=\"2049\"\u003eIdeal for \u003cstrong data-start=\"1970\" data-end=\"2047\"\u003estreet bangers, demo rigs, loud daily systems, and entry SPL-style builds\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2052\" data-end=\"2175\"\u003e\n\u003cp data-start=\"2054\" data-end=\"2175\"\u003eDesigned to deliver \u003cstrong data-start=\"2074\" data-end=\"2103\"\u003epowerful, controlled bass\u003c\/strong\u003e rather than just “peak” numbers \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2177\" data-end=\"2382\"\u003e\u003cem data-start=\"2177\" data-end=\"2382\"\u003e(Most FXB tech details like big motor, long-excursion suspension, and heavy-duty build mirror the rest of the FXB family you’re already listing, so those claims stay consistent across your FXB category.)\u003c\/em\u003e\u003c\/p\u003e\n\u003cp data-start=\"2384\" data-end=\"2397\"\u003e\u003cstrong data-start=\"2384\" data-end=\"2397\"\u003eGreat For\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"2399\" data-end=\"2735\"\u003e\n\u003cli data-start=\"2399\" data-end=\"2470\"\u003e\n\u003cp data-start=\"2401\" data-end=\"2470\"\u003eSingle 18\" ported or 6th order builds in SUVs, vans, and hatchbacks\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2471\" data-end=\"2530\"\u003e\n\u003cp data-start=\"2473\" data-end=\"2530\"\u003ePair \/ quad 18\" systems for demo vehicles and show rigs\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2531\" data-end=\"2632\"\u003e\n\u003cp data-start=\"2533\" data-end=\"2632\"\u003eUsers stepping up from smaller or lower-power subs into \u003cstrong data-start=\"2589\" data-end=\"2630\"\u003etrue 18 inch, 1500W-class performance\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2633\" data-end=\"2735\"\u003e\n\u003cp data-start=\"2635\" data-end=\"2735\"\u003eBudget and mid-level builds that still want \u003cstrong data-start=\"2679\" data-end=\"2717\"\u003ename-brand Sky High Car Audio bass\u003c\/strong\u003e and reliability\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2737\" data-end=\"3029\"\u003eMatched with a strong amplifier and a properly designed enclosure, the \u003cstrong data-start=\"2808\" data-end=\"2865\"\u003eSky High Car Audio FXB Series 18\" 1500W RMS subwoofer\u003c\/strong\u003e delivers deep, punishing bass and serious air movement—perfect for anyone who wants their system to \u003cem data-start=\"2966\" data-end=\"2989\"\u003etake over the vehicle\u003c\/em\u003e. Sold and shipped by AudioSellerz.com\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Sky High Car Audio","offers":[{"title":"D2 Ohms","offer_id":44258618310796,"sku":"SHCA-FXB-18-D2","price":354.95,"currency_code":"USD","in_stock":true},{"title":"D4 Ohms","offer_id":44258618343564,"sku":"SHCA-FXB-18-D4","price":354.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/5076\/8524\/files\/228BF4F7-CEDB-4149-B491-42551FB51053.png?v=1757101637"},{"product_id":"sky-high-car-audio-bmx-18-2500w-rms-d1-d2-subwoofer","title":"Sky High Car Audio BMX Series 18\" Subwoofer – 2500W RMS D1\/D2","description":"\u003cp data-start=\"123\" data-end=\"234\"\u003e\u003cstrong data-start=\"123\" data-end=\"205\"\u003eSky High Car Audio BMX Series 18\" Subwoofer – 2500W RMS High-Excursion Monster\u003c\/strong\u003e\u003cbr data-start=\"205\" data-end=\"208\"\u003eSold by AudioSellerz.com\u003c\/p\u003e\n\u003cp data-start=\"236\" data-end=\"777\"\u003eThe \u003cstrong data-start=\"240\" data-end=\"287\"\u003eSky High Car Audio BMX Series 18\" Subwoofer\u003c\/strong\u003e is the top of the BMX line for cone area and output—built for walls, big demo vehicles, and competition-leaning systems where you want brutal low end with real control. The BMX platform is a \u003cstrong data-start=\"479\" data-end=\"521\"\u003ehigh-excursion, true-to-size subwoofer\u003c\/strong\u003e built around a \u003cstrong data-start=\"537\" data-end=\"579\"\u003e3\" 8-layer high-temperature voice coil\u003c\/strong\u003e and rated at \u003cstrong data-start=\"593\" data-end=\"629\"\u003e2500W RMS of clean musical power\u003c\/strong\u003e, with a motor and coil combo capable of handling extreme burst power when the system is designed correctly. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"779\" data-end=\"1174\"\u003eAt its core, the BMX 18 uses a \u003cstrong data-start=\"810\" data-end=\"856\"\u003etriple-stacked Y35 ferrite motor structure\u003c\/strong\u003e with an \u003cstrong data-start=\"865\" data-end=\"891\"\u003ealuminum shorting ring\u003c\/strong\u003e, \u003cstrong data-start=\"893\" data-end=\"907\"\u003epole vents\u003c\/strong\u003e, and \u003cstrong data-start=\"913\" data-end=\"956\"\u003efour drilled and tapped backplate holes\u003c\/strong\u003e. This design improves cooling, reduces inductive distortion, and gives serious builders options for reinforced mounting or external cooling plates in extreme SPL or demo builds. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1176\" data-end=\"1720\"\u003eMechanically, the \u003cstrong data-start=\"1194\" data-end=\"1230\"\u003e12\", 15\", and 18\" BMX subwoofers\u003c\/strong\u003e all share the same long-throw suspension with about \u003cstrong data-start=\"1283\" data-end=\"1307\"\u003e32mm of one-way Xmax\u003c\/strong\u003e and roughly \u003cstrong data-start=\"1320\" data-end=\"1334\"\u003e39mm Xmech\u003c\/strong\u003e, backed by a \u003cstrong data-start=\"1348\" data-end=\"1375\"\u003e10\" stacked spider pack\u003c\/strong\u003e that’s spaced for durability and linear control at high excursion. Under the cone, a \u003cstrong data-start=\"1461\" data-end=\"1499\"\u003efiberglass-reinforced cone support\u003c\/strong\u003e sits beneath a \u003cstrong data-start=\"1515\" data-end=\"1538\"\u003ehardened paper cone\u003c\/strong\u003e with a tooled recess for the standard \u003cstrong data-start=\"1577\" data-end=\"1602\"\u003ecarbon-style dust cap\u003c\/strong\u003e, keeping the moving assembly rigid and reducing cone flex during peak output. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1722\" data-end=\"1949\"\u003eOversized push terminals accept heavy-gauge wire, and the tooled SHCA magnet boot finishes the motor with a clean, all-black look that fits right into show builds and clean demo installs. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1951\" data-end=\"2243\"\u003eAvailable in \u003cstrong data-start=\"1964\" data-end=\"1983\"\u003edual 1 ohm (D1)\u003c\/strong\u003e and \u003cstrong data-start=\"1988\" data-end=\"2007\"\u003edual 2 ohm (D2)\u003c\/strong\u003e, the BMX 18 makes it easy to design low-impedance, high-power systems on big monoblocks—perfect for multi-sub walls, blow-throughs, and extreme daily setups that still play music, not just burps. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"2245\" data-end=\"2302\"\u003e\u003cstrong data-start=\"2245\" data-end=\"2300\"\u003eKey Features – Sky High Car Audio BMX 18\" Subwoofer\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"2303\" data-end=\"3194\"\u003e\n\u003cli data-start=\"2303\" data-end=\"2356\"\u003e\n\u003cp data-start=\"2305\" data-end=\"2356\"\u003eSize: \u003cstrong data-start=\"2311\" data-end=\"2354\"\u003e18\" high-excursion BMX Series subwoofer\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2357\" data-end=\"2400\"\u003e\n\u003cp data-start=\"2359\" data-end=\"2400\"\u003eRMS Power: \u003cstrong data-start=\"2370\" data-end=\"2398\"\u003e2500W RMS musical rating\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2401\" data-end=\"2481\"\u003e\n\u003cp data-start=\"2403\" data-end=\"2481\"\u003eVoice Coil: \u003cstrong data-start=\"2415\" data-end=\"2450\"\u003e3\" 8-layer high-temp voice coil\u003c\/strong\u003e for serious thermal handling\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2482\" data-end=\"2609\"\u003e\n\u003cp data-start=\"2484\" data-end=\"2609\"\u003eMotor: \u003cstrong data-start=\"2491\" data-end=\"2527\"\u003eTriple-stacked Y35 ferrite motor\u003c\/strong\u003e with aluminum shorting ring, pole vents, and (4) drilled\/tapped backplate holes\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2610\" data-end=\"2704\"\u003e\n\u003cp data-start=\"2612\" data-end=\"2704\"\u003eExcursion: Approx. \u003cstrong data-start=\"2631\" data-end=\"2654\"\u003e32mm Xmax (one-way)\u003c\/strong\u003e and ~39mm Xmech for massive stroke with control\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2705\" data-end=\"2788\"\u003e\n\u003cp data-start=\"2707\" data-end=\"2788\"\u003eSuspension: \u003cstrong data-start=\"2719\" data-end=\"2746\"\u003e10\" stacked spider pack\u003c\/strong\u003e, spaced for durability under heavy load\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2789\" data-end=\"2886\"\u003e\n\u003cp data-start=\"2791\" data-end=\"2886\"\u003eCone Assembly: Hardened paper cone, fiberglass-reinforced cone support, carbon-style dust cap\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2887\" data-end=\"2950\"\u003e\n\u003cp data-start=\"2889\" data-end=\"2950\"\u003eTerminals: Heavy-duty push terminals for large-gauge wiring\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2951\" data-end=\"3043\"\u003e\n\u003cp data-start=\"2953\" data-end=\"3043\"\u003eImpedance Options: \u003cstrong data-start=\"2972\" data-end=\"2991\"\u003eDual 1 ohm (D1)\u003c\/strong\u003e and \u003cstrong data-start=\"2996\" data-end=\"3015\"\u003edual 2 ohm (D2)\u003c\/strong\u003e voice coil configurations\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3044\" data-end=\"3194\"\u003e\n\u003cp data-start=\"3046\" data-end=\"3194\"\u003eApplication: Designed for loud daily systems, 4th\/6th order walls, SUVs\/vans, and demo builds that demand big cone area and serious motor strength\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"3196\" data-end=\"3211\"\u003e\u003cstrong data-start=\"3196\" data-end=\"3209\"\u003eIdeal For\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"3212\" data-end=\"3562\"\u003e\n\u003cli data-start=\"3212\" data-end=\"3270\"\u003e\n\u003cp data-start=\"3214\" data-end=\"3270\"\u003eHigh-output \u003cstrong data-start=\"3226\" data-end=\"3268\"\u003e18\" ported or 4th\/6th order enclosures\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3271\" data-end=\"3339\"\u003e\n\u003cp data-start=\"3273\" data-end=\"3339\"\u003eMulti-sub walls and demo rigs that live on big Korean monoblocks\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3340\" data-end=\"3434\"\u003e\n\u003cp data-start=\"3342\" data-end=\"3434\"\u003eBassheads stepping up from mid-level 18s into a \u003cstrong data-start=\"3390\" data-end=\"3432\"\u003etrue 2500W-class high-excursion driver\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3435\" data-end=\"3562\"\u003e\n\u003cp data-start=\"3437\" data-end=\"3562\"\u003eSystems where you want Sky High build quality and community-proven hardware, backed by real-world support from AudioSellerz\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg class=\"__mce_add_custom__\" title=\"bmx-18-front2.0.png\" src=\"https:\/\/cdn11.bigcommerce.com\/s-746gclh\/product_images\/uploaded_images\/bmx-18-front2.0.png\" alt=\"bmx-18-front2.0.png\" width=\"1000\" height=\"1294\" style=\"font-size: 0.875rem;\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Sky High Car Audio","offers":[{"title":"D1","offer_id":44258712912012,"sku":"SHCA-BMX-18-D1","price":544.95,"currency_code":"USD","in_stock":true},{"title":"D2","offer_id":44258712944780,"sku":"SHCA-BMX-18-D2","price":544.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/5076\/8524\/files\/F7E45870-D00B-4250-B4ED-B7AAA1DB9214.png?v=1757100452"},{"product_id":"sky-high-car-audio-fmx-18-subwoofer-3500w-rms-d1-d2","title":"Sky High Car Audio FMX Series 18\" Subwoofer – 3500W RMS D1\/D2","description":"\u003cp data-start=\"106\" data-end=\"214\"\u003eSky High Car Audio FMX Series 18\" Subwoofer – 3500W RMS D1\/D2\u003cbr data-start=\"185\" data-end=\"188\"\u003eSold by AudioSellerz.com\u003c\/p\u003e\n\u003cp data-start=\"216\" data-end=\"617\"\u003eThe \u003cstrong data-start=\"220\" data-end=\"267\"\u003eSky High Car Audio FMX Series 18\" Subwoofer\u003c\/strong\u003e is built for serious low-end junkies—big cone area, huge motor, and true high-power handling for walls, blow-throughs, and brutal demo systems. As part of the \u003cstrong data-start=\"427\" data-end=\"472\"\u003eFMX “Forged to Perform. Built to Endure.”\u003c\/strong\u003e lineup (up to 3500W RMS), the 18 inch model brings maximum surface area and excursion to the table for deep, violent bass in large enclosures.\u003c\/p\u003e\n\u003cp data-start=\"619\" data-end=\"1045\"\u003eFMX was engineered from real-world abuse in loud daily and competition vehicles—not just spec sheet flex. The FMX 18 uses an overbuilt motor structure, high-temperature coil, and heavy-duty suspension to survive high clamp power and long demo sessions when you support it with the right electrical and enclosure design. This is the 18\" you choose when you want show-level output that can still live in a daily-driven system.\u003c\/p\u003e\n\u003cp data-start=\"1047\" data-end=\"1314\"\u003eAvailable in \u003cstrong data-start=\"1060\" data-end=\"1079\"\u003edual 1 ohm (D1)\u003c\/strong\u003e and \u003cstrong data-start=\"1084\" data-end=\"1103\"\u003edual 2 ohm (D2)\u003c\/strong\u003e voice coil options, the \u003cstrong data-start=\"1128\" data-end=\"1146\"\u003eFMX Series 18\"\u003c\/strong\u003e gives you flexible wiring choices for big Korean or Brazilian monoblocks, whether you’re running a single monster sub or multiple 18s in a wall or big SUV\/van build.\u003c\/p\u003e\n\u003cp data-start=\"1316\" data-end=\"1373\"\u003e\u003cstrong data-start=\"1316\" data-end=\"1371\"\u003eKey Features – Sky High Car Audio FMX 18\" Subwoofer\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1374\" data-end=\"2504\"\u003e\n\u003cli data-start=\"1374\" data-end=\"1433\"\u003e\n\u003cp data-start=\"1376\" data-end=\"1433\"\u003e\u003cstrong data-start=\"1376\" data-end=\"1385\"\u003eSize:\u003c\/strong\u003e 18 inch FMX Series high-performance subwoofer\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1434\" data-end=\"1583\"\u003e\n\u003cp data-start=\"1436\" data-end=\"1583\"\u003e\u003cstrong data-start=\"1436\" data-end=\"1456\"\u003eRMS Power Class:\u003c\/strong\u003e Up to \u003cstrong data-start=\"1463\" data-end=\"1476\"\u003e3500W RMS\u003c\/strong\u003e (FMX family design and construction, built for high-power musical use when properly installed and tuned)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1584\" data-end=\"1645\"\u003e\n\u003cp data-start=\"1586\" data-end=\"1645\"\u003e\u003cstrong data-start=\"1586\" data-end=\"1597\"\u003eSeries:\u003c\/strong\u003e \u003cstrong data-start=\"1598\" data-end=\"1643\"\u003eFMX – Forged to Perform. Built to Endure.\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1646\" data-end=\"1723\"\u003e\n\u003cp data-start=\"1648\" data-end=\"1679\"\u003e\u003cstrong data-start=\"1648\" data-end=\"1677\"\u003eVoice Coil Configuration:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1682\" data-end=\"1723\"\u003e\n\u003cli data-start=\"1682\" data-end=\"1701\"\u003e\n\u003cp data-start=\"1684\" data-end=\"1701\"\u003eDual 1 ohm (D1)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1704\" data-end=\"1723\"\u003e\n\u003cp data-start=\"1706\" data-end=\"1723\"\u003eDual 2 ohm (D2)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1724\" data-end=\"1868\"\u003e\n\u003cp data-start=\"1726\" data-end=\"1868\"\u003e\u003cstrong data-start=\"1726\" data-end=\"1743\"\u003eMotor Design:\u003c\/strong\u003e Overbuilt high-power motor engineered for strong motor force, high thermal capacity, and long-term reliability under abuse\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1869\" data-end=\"1992\"\u003e\n\u003cp data-start=\"1871\" data-end=\"1992\"\u003e\u003cstrong data-start=\"1871\" data-end=\"1893\"\u003eSuspension System:\u003c\/strong\u003e Heavy-duty surround and spider pack designed for high excursion and control at high power levels\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1993\" data-end=\"2214\"\u003e\n\u003cp data-start=\"1995\" data-end=\"2019\"\u003e\u003cstrong data-start=\"1995\" data-end=\"2017\"\u003ePerformance Focus:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"2022\" data-end=\"2214\"\u003e\n\u003cli data-start=\"2022\" data-end=\"2073\"\u003e\n\u003cp data-start=\"2024\" data-end=\"2073\"\u003eMassive low-frequency output with deep response\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2076\" data-end=\"2131\"\u003e\n\u003cp data-start=\"2078\" data-end=\"2131\"\u003eStable performance on big power for demos and shows\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2134\" data-end=\"2214\"\u003e\n\u003cp data-start=\"2136\" data-end=\"2214\"\u003eReliability when paired with proper electrical upgrades and enclosure design\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2215\" data-end=\"2504\"\u003e\n\u003cp data-start=\"2217\" data-end=\"2243\"\u003e\u003cstrong data-start=\"2217\" data-end=\"2241\"\u003eIdeal Install Types:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"2246\" data-end=\"2504\"\u003e\n\u003cli data-start=\"2246\" data-end=\"2320\"\u003e\n\u003cp data-start=\"2248\" data-end=\"2320\"\u003eLarge \u003cstrong data-start=\"2254\" data-end=\"2279\"\u003eported 18\" enclosures\u003c\/strong\u003e in SUVs, vans, and blow-through builds\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2323\" data-end=\"2359\"\u003e\n\u003cp data-start=\"2325\" data-end=\"2359\"\u003e4th and 6th order bandpass walls\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2362\" data-end=\"2426\"\u003e\n\u003cp data-start=\"2364\" data-end=\"2426\"\u003eMulti-18 setups for demo rigs and competition-leaning builds\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2429\" data-end=\"2504\"\u003e\n\u003cp data-start=\"2431\" data-end=\"2504\"\u003eHigh-output daily systems where you want true “big boy” 18\" performance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2506\" data-end=\"2800\"\u003eIf you’re ready to step into large-frame subs and want an \u003cstrong data-start=\"2564\" data-end=\"2619\"\u003e18 inch woofer that’s actually built for real power\u003c\/strong\u003e, the \u003cstrong data-start=\"2625\" data-end=\"2672\"\u003eSky High Car Audio FMX Series 18\" Subwoofer\u003c\/strong\u003e delivers the kind of output, control, and durability serious bassheads are looking for—backed by the crew at AudioSellerz.com\u003c\/p\u003e\n\u003cp\u003e\u003cimg class=\"__mce_add_custom__\" title=\"fmx-18-front-2.0.png\" src=\"https:\/\/cdn11.bigcommerce.com\/s-746gclh\/product_images\/uploaded_images\/fmx-18-front-2.0.png\" alt=\"fmx-18-front-2.0.png\" width=\"1000\" height=\"1294\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Sky High Car Audio","offers":[{"title":"D1","offer_id":44258812264588,"sku":"SHCA-FMX-18-D1","price":794.95,"currency_code":"USD","in_stock":true},{"title":"D2","offer_id":44258812297356,"sku":"SHCA-FMX-18-D2","price":794.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/5076\/8524\/files\/11151F31-694F-45CC-A192-FB29A9BBD117.png?v=1760717308"},{"product_id":"sky-high-car-audio-fxxl-18-subwoofer-5000w-rms","title":"Sky High Car Audio FXXL 18” Subwoofer – 5000W RMS Ferrite D1\/D2","description":"\u003cp data-start=\"125\" data-end=\"252\"\u003eSky High Car Audio FXXL 18” Subwoofer – 5000W RMS Ferrite D1\/D2\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eSold by AudioSellerz.com\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe Sky High Car Audio FXXL Series 18” Subwoofer is the top-dog ferrite woofer in the Sky High lineup—built for extreme demo builds, full walls, and competition systems where you want maximum cone area and real 5000 watt RMS performance. With a 4” 8-layer high-temperature voice coil and a massive multi-stack ferrite motor, this 18 inch sub is designed to live on big Korean or Brazilian amps when the electrical, wiring, and enclosure are done right.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis FXXL 18 is all about huge output with real control. The oversized motor structure is engineered for strong motor force (high BL), deep low-frequency extension, and stability at high excursion. Internal venting, pole vents, and an intelligently vented gap help manage heat during long demos so the woofer can stay pounding without falling off as it gets hot.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eMechanically, the FXXL Series uses a large progressive spider pack, fiberglass cone support, and a hardened paper cone paired with a forged-carbon style dust cap. That combo keeps the moving assembly stiff and stable at full throw, while the precision-molded foam surround and internal pressure cap are tuned for strength, control, and durability under extreme use. This is built for serious 18” abuse—walls, tunnel builds, big SUVs and vans, and high-output demo rigs.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eLike the rest of the FXXL lineup, the 18” carries Sky High’s stealth all-black look with a tooled magnet boot and heavy-duty push terminals that accept large-gauge wiring. It’s a purpose-built 18 inch bass driver for people who are done with entry-level gear and want something they can truly lean on.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAvailable in dual 1 ohm (D1) and dual 2 ohm (D2) voice coil options, the FXXL 18 gives you the flexibility to run a single monster sub or multiple 18s on serious power at low impedance. Perfect for 4th and 6th order walls, big ported boxes, and high output daily\/demo rigs.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eKey Features – Sky High Car Audio FXXL 18” Subwoofer\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"Apple-tab-span\"\u003e \u003c\/span\u003e•\u003cspan class=\"Apple-tab-span\"\u003e \u003c\/span\u003eSize: 18 inch FXXL Series ferrite subwoofer\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"Apple-tab-span\"\u003e \u003c\/span\u003e•\u003cspan class=\"Apple-tab-span\"\u003e \u003c\/span\u003eRMS Power: 5000W RMS (with proper electrical, wiring, and enclosure)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"Apple-tab-span\"\u003e \u003c\/span\u003e•\u003cspan class=\"Apple-tab-span\"\u003e \u003c\/span\u003eVoice Coil: 4” 8-layer high-temperature voice coil for extreme thermal handling\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"Apple-tab-span\"\u003e \u003c\/span\u003e•\u003cspan class=\"Apple-tab-span\"\u003e \u003c\/span\u003eMotor: Huge multi-stack ferrite motor engineered for high BL, deep lows, and strong cone control at high excursion\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"Apple-tab-span\"\u003e \u003c\/span\u003e•\u003cspan class=\"Apple-tab-span\"\u003e \u003c\/span\u003eSuspension: Oversized progressive spider pack and precision-molded surround for long throw and reliability\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"Apple-tab-span\"\u003e \u003c\/span\u003e•\u003cspan class=\"Apple-tab-span\"\u003e \u003c\/span\u003eCone Assembly: Hardened paper cone with forged-carbon style dust cap and internal pressure cap for added strength and stability\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"Apple-tab-span\"\u003e \u003c\/span\u003e•\u003cspan class=\"Apple-tab-span\"\u003e \u003c\/span\u003eImpedance Options: Dual 1 ohm (D1) and dual 2 ohm (D2) configurations\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"Apple-tab-span\"\u003e \u003c\/span\u003e•\u003cspan class=\"Apple-tab-span\"\u003e \u003c\/span\u003eTerminals: Heavy-duty push terminals designed for large-gauge speaker wire\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"Apple-tab-span\"\u003e \u003c\/span\u003e•\u003cspan class=\"Apple-tab-span\"\u003e \u003c\/span\u003eVisuals: Stealth all-black FXXL cosmetics for a clean, aggressive look in show builds and walls\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBest For\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"Apple-tab-span\"\u003e \u003c\/span\u003e•\u003cspan class=\"Apple-tab-span\"\u003e \u003c\/span\u003eHigh-power 18” ported enclosures\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"Apple-tab-span\"\u003e \u003c\/span\u003e•\u003cspan class=\"Apple-tab-span\"\u003e \u003c\/span\u003e4th and 6th order bandpass walls\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"Apple-tab-span\"\u003e \u003c\/span\u003e•\u003cspan class=\"Apple-tab-span\"\u003e \u003c\/span\u003eMulti-18 demo builds and competition-style systems\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"Apple-tab-span\"\u003e \u003c\/span\u003e•\u003cspan class=\"Apple-tab-span\"\u003e \u003c\/span\u003eLoud daily driver setups where you want true 5k-class 18 inch performance\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIf you’re ready to build a true big-boy 18 inch system, the Sky High Car Audio FXXL Series 18” Subwoofer is the centerpiece to start with—huge motor, serious coil, real 5000W RMS capability, and Sky High’s proven build quality, backed by the crew at AudioSellerz.com\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg class=\"__mce_add_custom__\" title=\"fixedfxxl-18-front-2.0.png\" src=\"https:\/\/cdn11.bigcommerce.com\/s-746gclh\/product_images\/uploaded_images\/fixedfxxl-18-front-2.0.png\" alt=\"fixedfxxl-18-front-2.0.png\" width=\"1000\" height=\"1294\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Sky High Car Audio","offers":[{"title":"D1","offer_id":44258827370636,"sku":"SHCA-FXXL-18-D1","price":994.95,"currency_code":"USD","in_stock":false},{"title":"D2","offer_id":44258827403404,"sku":"SHCA-FXXL-18-D2","price":994.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/5076\/8524\/files\/4__43010.webp?v=1751490579"},{"product_id":"audio-ace-jester-18-subwoofer-3000w-rms-dyeable-cone","title":"Audio Ace Jester 18” Subwoofer with Dyeable Cone – 3000W RMS Dual 2 Ohm","description":"\u003cp\u003e\u003cspan\u003eAudio Ace Jester 18” Subwoofer with Dyeable Cone – 3000W RMS Dual 2 Ohm\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eSold by AudioSellerz.com\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cspan\u003eAudio Ace Jester 18” with Dyeable Cone\u003c\/span\u003e\u003cspan\u003e is built for people who want brutal output \u003c\/span\u003e\u003cspan\u003eand\u003c\/span\u003e\u003cspan\u003e real sound quality in one driver. Rated at a conservative \u003c\/span\u003e\u003cspan\u003e3000W RMS\u003c\/span\u003e\u003cspan\u003e, the Jester 18 uses a low Fs and a strong motor structure to deliver deep, musical low end that still gets violent when you roll into it. Whether you’re chasing numbers, building a demo wall, or just want your daily to hit at extreme levels, the Jester 18 is designed to do it all. \u003cspan class=\"Apple-converted-space\"\u003e \u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cspan\u003edyeable cone\u003c\/span\u003e\u003cspan\u003e is what sets this version apart – the cone is designed to be custom colored, so you can match your build theme, team colors, or shop branding. From wild fades to solid colors, the Jester gives you show-car looks without sacrificing performance. \u003cspan class=\"Apple-converted-space\"\u003e \u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eKey Features\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"Apple-tab-span\"\u003e \u003c\/span\u003e•\u003cspan class=\"Apple-tab-span\"\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003ePower Rating:\u003c\/span\u003e\u003cspan\u003e 3000W RMS (conservative rating with proper electrical and enclosure) \u003cspan class=\"Apple-converted-space\"\u003e \u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"Apple-tab-span\"\u003e \u003c\/span\u003e•\u003cspan class=\"Apple-tab-span\"\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eSize:\u003c\/span\u003e\u003cspan\u003e 18” high-output subwoofer\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"Apple-tab-span\"\u003e \u003c\/span\u003e•\u003cspan class=\"Apple-tab-span\"\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eVoice Coil:\u003c\/span\u003e\u003cspan\u003e 3” BACCAW 4-layer coil for serious thermal handling \u003cspan class=\"Apple-converted-space\"\u003e \u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"Apple-tab-span\"\u003e \u003c\/span\u003e•\u003cspan class=\"Apple-tab-span\"\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eMotor:\u003c\/span\u003e\u003cspan\u003e ~300 oz ferrite motor structure for strong BL and cone control \u003cspan class=\"Apple-converted-space\"\u003e \u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"Apple-tab-span\"\u003e \u003c\/span\u003e•\u003cspan class=\"Apple-tab-span\"\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eImpedance:\u003c\/span\u003e\u003cspan\u003e Dual 2 ohm (D2) configuration – easy to pair with big monoblocks \u003cspan class=\"Apple-converted-space\"\u003e \u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"Apple-tab-span\"\u003e \u003c\/span\u003e•\u003cspan class=\"Apple-tab-span\"\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eBasket:\u003c\/span\u003e\u003cspan\u003e Heavy-duty die-cast aluminum basket designed to handle high excursion and abuse \u003cspan class=\"Apple-converted-space\"\u003e \u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"Apple-tab-span\"\u003e \u003c\/span\u003e•\u003cspan class=\"Apple-tab-span\"\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eCone:\u003c\/span\u003e\u003cspan\u003e Dyeable cone with foam surround – built to take color and still flex hard\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"Apple-tab-span\"\u003e \u003c\/span\u003e•\u003cspan class=\"Apple-tab-span\"\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eDesign Goal:\u003c\/span\u003e\u003cspan\u003e Balanced \u003c\/span\u003e\u003cspan\u003eSQ\/SPL\u003c\/span\u003e\u003cspan\u003e – musical enough for daily, strong enough for demos and small competition setups \u003cspan class=\"Apple-converted-space\"\u003e \u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eEnclosure \u0026amp; Tuning Guidance\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFor most builds, the Jester 18 is happiest in a properly sized, well-built ported or bandpass enclosure: \u003cspan class=\"Apple-converted-space\"\u003e \u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"Apple-tab-span\"\u003e \u003c\/span\u003e•\u003cspan class=\"Apple-tab-span\"\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003ePorted Box Volume:\u003c\/span\u003e\u003cspan\u003e ~4.75 – 5.5 ft³ net\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"Apple-tab-span\"\u003e \u003c\/span\u003e•\u003cspan class=\"Apple-tab-span\"\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003ePort Area:\u003c\/span\u003e\u003cspan\u003e ~14–16 in² of port per ft³\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"Apple-tab-span\"\u003e \u003c\/span\u003e•\u003cspan class=\"Apple-tab-span\"\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eTuning Range:\u003c\/span\u003e\u003cspan\u003e ~28–36 Hz (lower for deep daily, higher for more punch\/SPL focus)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"Apple-tab-span\"\u003e \u003c\/span\u003e•\u003cspan class=\"Apple-tab-span\"\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eBest Applications:\u003c\/span\u003e\u003cspan\u003e Ported, 4th order, and 6th order designs\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"Apple-tab-span\"\u003e \u003c\/span\u003e•\u003cspan class=\"Apple-tab-span\"\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eNot Recommended:\u003c\/span\u003e\u003cspan\u003e Sealed enclosures\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDialed in correctly with solid electrical and a real 3k+ amp, the Audio Ace Jester 18 will do exactly what its name hints at—put on a show and make people grin when the lows roll through.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIf you want a \u003c\/span\u003e\u003cspan\u003e3000W RMS 18” subwoofer\u003c\/span\u003e\u003cspan\u003e that combines big-boy performance with full custom cone color options, the \u003c\/span\u003e\u003cspan\u003eAudio Ace Jester 18 with Dyeable Cone\u003c\/span\u003e\u003cspan\u003e from AudioSellerz.com is a killer centerpiece for your next build.\u003c\/span\u003e\u003c\/p\u003e","brand":"Audio Ace","offers":[{"title":"White \/ Lavender Spade","offer_id":44303367864460,"sku":null,"price":609.0,"currency_code":"USD","in_stock":true},{"title":"White \/ Magenta\/Pink Spade","offer_id":44303367897228,"sku":null,"price":609.0,"currency_code":"USD","in_stock":true},{"title":"White \/ Gold Spade","offer_id":44303367929996,"sku":null,"price":609.0,"currency_code":"USD","in_stock":true},{"title":"White \/ Silver Spade","offer_id":44303367962764,"sku":null,"price":609.0,"currency_code":"USD","in_stock":true},{"title":"White \/ White Spade","offer_id":44303367995532,"sku":null,"price":599.0,"currency_code":"USD","in_stock":true},{"title":"White \/ Black 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Spade","offer_id":44303369339020,"sku":null,"price":629.0,"currency_code":"USD","in_stock":true},{"title":"Orange \/ Red Spade","offer_id":44303369371788,"sku":null,"price":629.0,"currency_code":"USD","in_stock":true},{"title":"Orange \/ Purple Spade","offer_id":44303369404556,"sku":null,"price":629.0,"currency_code":"USD","in_stock":true},{"title":"Purple \/ Lavender Spade","offer_id":44303369437324,"sku":null,"price":629.0,"currency_code":"USD","in_stock":true},{"title":"Purple \/ Magenta\/Pink Spade","offer_id":44303369470092,"sku":null,"price":629.0,"currency_code":"USD","in_stock":true},{"title":"Purple \/ Gold Spade","offer_id":44303369502860,"sku":null,"price":629.0,"currency_code":"USD","in_stock":true},{"title":"Purple \/ Silver Spade","offer_id":44303369535628,"sku":null,"price":629.0,"currency_code":"USD","in_stock":true},{"title":"Purple \/ White Spade","offer_id":44303369568396,"sku":null,"price":619.0,"currency_code":"USD","in_stock":true},{"title":"Purple \/ Black 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Magenta\/Pink Spade","offer_id":44303369863308,"sku":null,"price":629.0,"currency_code":"USD","in_stock":true},{"title":"Bright Green \/ Gold Spade","offer_id":44303369896076,"sku":null,"price":629.0,"currency_code":"USD","in_stock":true},{"title":"Bright Green \/ Silver Spade","offer_id":44303369928844,"sku":null,"price":629.0,"currency_code":"USD","in_stock":true},{"title":"Bright Green \/ White Spade","offer_id":44303369961612,"sku":null,"price":619.0,"currency_code":"USD","in_stock":true},{"title":"Bright Green \/ Black Spade","offer_id":44303369994380,"sku":null,"price":629.0,"currency_code":"USD","in_stock":true},{"title":"Bright Green \/ Blue Spade","offer_id":44303370027148,"sku":null,"price":629.0,"currency_code":"USD","in_stock":true},{"title":"Bright Green \/ Green Spade","offer_id":44303370059916,"sku":null,"price":629.0,"currency_code":"USD","in_stock":true},{"title":"Bright Green \/ Orange Spade","offer_id":44303370092684,"sku":null,"price":629.0,"currency_code":"USD","in_stock":true},{"title":"Bright Green \/ Yellow Spade","offer_id":44303370125452,"sku":null,"price":629.0,"currency_code":"USD","in_stock":true},{"title":"Bright Green \/ Red Spade","offer_id":44303370158220,"sku":null,"price":629.0,"currency_code":"USD","in_stock":true},{"title":"Bright Green \/ Purple Spade","offer_id":44303370190988,"sku":null,"price":629.0,"currency_code":"USD","in_stock":true},{"title":"Red \/ Lavender Spade","offer_id":44303370223756,"sku":null,"price":629.0,"currency_code":"USD","in_stock":true},{"title":"Red \/ Magenta\/Pink Spade","offer_id":44303370256524,"sku":null,"price":629.0,"currency_code":"USD","in_stock":true},{"title":"Red \/ Gold Spade","offer_id":44303370289292,"sku":null,"price":629.0,"currency_code":"USD","in_stock":true},{"title":"Red \/ Silver Spade","offer_id":44303370322060,"sku":null,"price":629.0,"currency_code":"USD","in_stock":true},{"title":"Red \/ White Spade","offer_id":44303370354828,"sku":null,"price":619.0,"currency_code":"USD","in_stock":true},{"title":"Red \/ Black Spade","offer_id":44303370387596,"sku":null,"price":629.0,"currency_code":"USD","in_stock":true},{"title":"Red \/ Blue Spade","offer_id":44303370420364,"sku":null,"price":629.0,"currency_code":"USD","in_stock":true},{"title":"Red \/ Green Spade","offer_id":44303370453132,"sku":null,"price":629.0,"currency_code":"USD","in_stock":true},{"title":"Red \/ Orange Spade","offer_id":44303370485900,"sku":null,"price":629.0,"currency_code":"USD","in_stock":true},{"title":"Red \/ Yellow Spade","offer_id":44303370518668,"sku":null,"price":629.0,"currency_code":"USD","in_stock":true},{"title":"Red \/ Red Spade","offer_id":44303370551436,"sku":null,"price":629.0,"currency_code":"USD","in_stock":true},{"title":"Red \/ Purple Spade","offer_id":44303370584204,"sku":null,"price":629.0,"currency_code":"USD","in_stock":true},{"title":"Blue \/ Lavender Spade","offer_id":44303370616972,"sku":null,"price":629.0,"currency_code":"USD","in_stock":true},{"title":"Blue \/ Magenta\/Pink Spade","offer_id":44303370649740,"sku":null,"price":629.0,"currency_code":"USD","in_stock":true},{"title":"Blue \/ Gold Spade","offer_id":44303370682508,"sku":null,"price":629.0,"currency_code":"USD","in_stock":true},{"title":"Blue \/ Silver Spade","offer_id":44303370715276,"sku":null,"price":629.0,"currency_code":"USD","in_stock":true},{"title":"Blue \/ White Spade","offer_id":44303370748044,"sku":null,"price":619.0,"currency_code":"USD","in_stock":true},{"title":"Blue \/ Black Spade","offer_id":44303370780812,"sku":null,"price":629.0,"currency_code":"USD","in_stock":true},{"title":"Blue \/ Blue Spade","offer_id":44303370813580,"sku":null,"price":629.0,"currency_code":"USD","in_stock":true},{"title":"Blue \/ Green Spade","offer_id":44303370846348,"sku":null,"price":629.0,"currency_code":"USD","in_stock":true},{"title":"Blue \/ Orange Spade","offer_id":44303370879116,"sku":null,"price":629.0,"currency_code":"USD","in_stock":true},{"title":"Blue \/ Yellow Spade","offer_id":44303370911884,"sku":null,"price":629.0,"currency_code":"USD","in_stock":true},{"title":"Blue \/ Red Spade","offer_id":44303370944652,"sku":null,"price":629.0,"currency_code":"USD","in_stock":true},{"title":"Blue \/ Purple Spade","offer_id":44303370977420,"sku":null,"price":629.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/5076\/8524\/files\/34f101_cbe9946df7d54f55beff7f6162a09cf5_mv2.avif?v=1752782972"},{"product_id":"ruthless-audio-15-3-coil-subwoofer-quad-stack-motor-copy","title":"Ruthless Audio 18\" 3\" Coil Subwoofer Quad Stack Motor","description":"\u003cp data-start=\"0\" data-end=\"88\"\u003e\u003cstrong data-start=\"0\" data-end=\"61\"\u003eRuthless Audio Quad Stack Subwoofer 15\" and 18\" 2500W RMS\u003c\/strong\u003e\u003cbr data-start=\"61\" data-end=\"64\"\u003eSold by AudioSellerz.com\u003c\/p\u003e\n\u003cp data-start=\"90\" data-end=\"618\"\u003eIf you are building a serious bass setup and need a subwoofer that can handle real abuse, the \u003cstrong data-start=\"184\" data-end=\"213\"\u003eRuthless Audio Quad Stack\u003c\/strong\u003e is built for exactly that kind of system. Available in \u003cstrong data-start=\"269\" data-end=\"284\"\u003e15\" and 18\"\u003c\/strong\u003e sizes and rated at \u003cstrong data-start=\"304\" data-end=\"322\"\u003e2500 watts RMS\u003c\/strong\u003e, the \u003cstrong data-start=\"328\" data-end=\"361\"\u003eRuthless Quad Stack subwoofer\u003c\/strong\u003e is made for bassheads who want strong daily performance, real durability, and the kind of output that also makes sense in SPL-focused builds. Shop more \u003cstrong data-start=\"514\" data-end=\"558\"\u003eRuthless Audio subwoofers and amplifiers\u003c\/strong\u003e here:\u003cbr data-start=\"564\" data-end=\"567\"\u003e\u003ca data-start=\"567\" data-end=\"618\" rel=\"noopener\" class=\"decorated-link\" href=\"https:\/\/audiosellerz.com\/collections\/ruthless-audio\"\u003ehttps:\/\/audiosellerz.com\/collections\/ruthless-audio\u003cspan aria-hidden=\"true\" class=\"ms-0.5 inline-block align-middle leading-none\"\u003e\u003csvg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20\" height=\"20\" aria-hidden=\"true\" data-rtl-flip=\"\" class=\"block h-[0.75em] w-[0.75em] stroke-current stroke-[0.75]\"\u003e\u003cuse fill=\"currentColor\" href=\"\/cdn\/assets\/sprites-core-97566a9e.svg#304883\"\u003e\u003c\/use\u003e\u003c\/svg\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp data-start=\"620\" data-end=\"1012\"\u003eThe \u003cstrong data-start=\"624\" data-end=\"650\"\u003eRuthless Quad Stack 15\u003c\/strong\u003e and \u003cstrong data-start=\"655\" data-end=\"681\"\u003eRuthless Quad Stack 18\u003c\/strong\u003e were built from the ground up for people who want real motor force, reliable cooling, and serious low-end output. Using \u003cstrong data-start=\"802\" data-end=\"816\"\u003eU.S. steel\u003c\/strong\u003e, \u003cstrong data-start=\"818\" data-end=\"845\"\u003eCNC precision machining\u003c\/strong\u003e, and an \u003cstrong data-start=\"854\" data-end=\"884\"\u003eFEA-optimized motor design\u003c\/strong\u003e, this subwoofer is made to deliver the kind of bass that works in both hard-hitting daily setups and competition-style systems.\u003c\/p\u003e\n\u003cp data-start=\"1014\" data-end=\"1426\"\u003eRated at \u003cstrong data-start=\"1023\" data-end=\"1041\"\u003e2500 watts RMS\u003c\/strong\u003e, the \u003cstrong data-start=\"1047\" data-end=\"1076\"\u003eRuthless Audio Quad Stack\u003c\/strong\u003e is available in \u003cstrong data-start=\"1093\" data-end=\"1109\"\u003edual 0.7 ohm\u003c\/strong\u003e and \u003cstrong data-start=\"1114\" data-end=\"1130\"\u003edual 1.7 ohm\u003c\/strong\u003e options, giving you flexibility when matching the subwoofer to your amplifier and final system impedance. If you need help figuring out the right final ohm load, read our \u003cstrong data-start=\"1302\" data-end=\"1336\"\u003ecar audio wiring diagram guide\u003c\/strong\u003e here:\u003cbr data-start=\"1342\" data-end=\"1345\"\u003e\u003ca data-start=\"1345\" data-end=\"1426\" rel=\"noopener\" class=\"decorated-link\" href=\"https:\/\/audiosellerz.com\/blogs\/audio-sellerz-blogs\/car-audio-wiring-diagram-guide\"\u003ehttps:\/\/audiosellerz.com\/blogs\/audio-sellerz-blogs\/car-audio-wiring-diagram-guide\u003cspan aria-hidden=\"true\" class=\"ms-0.5 inline-block align-middle leading-none\"\u003e\u003csvg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20\" height=\"20\" aria-hidden=\"true\" data-rtl-flip=\"\" class=\"block h-[0.75em] w-[0.75em] stroke-current stroke-[0.75]\"\u003e\u003cuse fill=\"currentColor\" href=\"\/cdn\/assets\/sprites-core-97566a9e.svg#304883\"\u003e\u003c\/use\u003e\u003c\/svg\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp data-start=\"1428\" data-end=\"1814\"\u003eA big part of what makes the \u003cstrong data-start=\"1457\" data-end=\"1490\"\u003eRuthless Quad Stack subwoofer\u003c\/strong\u003e stand out is the motor structure. It uses \u003cstrong data-start=\"1533\" data-end=\"1563\"\u003equad stack ferrite magnets\u003c\/strong\u003e cut on a water jet and finish-machined in-house to deliver serious motor force and strong control under load. That gives the \u003cstrong data-start=\"1689\" data-end=\"1730\"\u003eRuthless Audio Quad Stack 15\" and 18\"\u003c\/strong\u003e the kind of foundation needed for aggressive bass and real low-frequency authority.\u003c\/p\u003e\n\u003cp data-start=\"1816\" data-end=\"2123\"\u003eThis subwoofer also uses a \u003cstrong data-start=\"1843\" data-end=\"1886\"\u003esolid pole with staged aluminum cooling\u003c\/strong\u003e to help manage heat during long play time and heavy abuse. Combined with a \u003cstrong data-start=\"1962\" data-end=\"1996\"\u003e3\" diameter 4-layer voice coil\u003c\/strong\u003e and \u003cstrong data-start=\"2001\" data-end=\"2026\"\u003e5 progressive spiders\u003c\/strong\u003e, the \u003cstrong data-start=\"2032\" data-end=\"2055\"\u003eRuthless Quad Stack\u003c\/strong\u003e is built to stay more stable and controlled when power levels rise.\u003c\/p\u003e\n\u003cp data-start=\"2125\" data-end=\"2534\"\u003eThe rest of the design follows through with serious hardware. A \u003cstrong data-start=\"2189\" data-end=\"2225\"\u003ekraft pulp fiber reinforced cone\u003c\/strong\u003e, \u003cstrong data-start=\"2227\" data-end=\"2260\"\u003edual-layer wide foam surround\u003c\/strong\u003e, \u003cstrong data-start=\"2262\" data-end=\"2298\"\u003eextra heavy-duty aluminum basket\u003c\/strong\u003e, and \u003cstrong data-start=\"2304\" data-end=\"2326\"\u003ewrap-around gasket\u003c\/strong\u003e all help support the kind of mechanical strength a high-output subwoofer needs. The \u003cstrong data-start=\"2411\" data-end=\"2425\"\u003ecarbon cap\u003c\/strong\u003e comes standard, and the \u003cstrong data-start=\"2450\" data-end=\"2481\"\u003ehybrid stitched lead design\u003c\/strong\u003e helps improve current transfer in demanding systems.\u003c\/p\u003e\n\u003cp data-start=\"2536\" data-end=\"2871\"\u003eThe \u003cstrong data-start=\"2540\" data-end=\"2579\"\u003eRuthless Audio Quad Stack subwoofer\u003c\/strong\u003e also uses \u003cstrong data-start=\"2590\" data-end=\"2616\"\u003e144-count tinsel leads\u003c\/strong\u003e that are double-sewn to the spider pack, with \u003cstrong data-start=\"2663\" data-end=\"2725\"\u003eheavy-duty stitched hybrid lead or push\/hybrid termination\u003c\/strong\u003e depending on configuration. This is the kind of build that makes sense for people who want a subwoofer that can take real power and keep working.\u003c\/p\u003e\n\u003cp data-start=\"2873\" data-end=\"3059\"\u003eIf you are pairing a subwoofer like this with serious amplifier power, your electrical system matters too. Shop our \u003cstrong data-start=\"2989\" data-end=\"3003\"\u003eBig 3 Kits\u003c\/strong\u003e here:\u003cbr data-start=\"3009\" data-end=\"3012\"\u003e\u003ca data-start=\"3012\" data-end=\"3059\" rel=\"noopener\" class=\"decorated-link\" href=\"https:\/\/audiosellerz.com\/collections\/big-3-kits\"\u003ehttps:\/\/audiosellerz.com\/collections\/big-3-kits\u003cspan aria-hidden=\"true\" class=\"ms-0.5 inline-block align-middle leading-none\"\u003e\u003csvg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20\" height=\"20\" aria-hidden=\"true\" data-rtl-flip=\"\" class=\"block h-[0.75em] w-[0.75em] stroke-current stroke-[0.75]\"\u003e\u003cuse fill=\"currentColor\" href=\"\/cdn\/assets\/sprites-core-97566a9e.svg#304883\"\u003e\u003c\/use\u003e\u003c\/svg\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp data-start=\"3061\" data-end=\"3262\"\u003eIf you are stepping into a larger high-output build, shop our \u003cstrong data-start=\"3123\" data-end=\"3146\"\u003eBrand X Alternators\u003c\/strong\u003e here:\u003cbr data-start=\"3152\" data-end=\"3155\"\u003e\u003ca data-start=\"3155\" data-end=\"3262\" rel=\"noopener\" class=\"decorated-link\" href=\"https:\/\/audiosellerz.com\/collections\/brand-x-electrical-alternators-batteries-high-output-charging-upgrades\"\u003ehttps:\/\/audiosellerz.com\/collections\/brand-x-electrical-alternators-batteries-high-output-charging-upgrades\u003cspan aria-hidden=\"true\" class=\"ms-0.5 inline-block align-middle leading-none\"\u003e\u003csvg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20\" height=\"20\" aria-hidden=\"true\" data-rtl-flip=\"\" class=\"block h-[0.75em] w-[0.75em] stroke-current stroke-[0.75]\"\u003e\u003cuse fill=\"currentColor\" href=\"\/cdn\/assets\/sprites-core-97566a9e.svg#304883\"\u003e\u003c\/use\u003e\u003c\/svg\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp data-start=\"3264\" data-end=\"3460\"\u003eYou can also learn more about charging support for bigger systems in our \u003cstrong data-start=\"3337\" data-end=\"3368\"\u003ehigh output alternator blog\u003c\/strong\u003e here:\u003cbr data-start=\"3374\" data-end=\"3377\"\u003e\u003ca data-start=\"3377\" data-end=\"3460\" rel=\"noopener\" class=\"decorated-link\" href=\"https:\/\/audiosellerz.com\/blogs\/audio-sellerz-blogs\/high-output-alternator-car-audio\"\u003ehttps:\/\/audiosellerz.com\/blogs\/audio-sellerz-blogs\/high-output-alternator-car-audio\u003cspan aria-hidden=\"true\" class=\"ms-0.5 inline-block align-middle leading-none\"\u003e\u003csvg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20\" height=\"20\" aria-hidden=\"true\" data-rtl-flip=\"\" class=\"block h-[0.75em] w-[0.75em] stroke-current stroke-[0.75]\"\u003e\u003cuse fill=\"currentColor\" href=\"\/cdn\/assets\/sprites-core-97566a9e.svg#304883\"\u003e\u003c\/use\u003e\u003c\/svg\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp data-start=\"3462\" data-end=\"3844\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eBuilt with U.S.-sourced materials, CNC precision, and SPL-proven design, the \u003cstrong data-start=\"3539\" data-end=\"3571\"\u003eRuthless Audio Quad Stack 15\u003c\/strong\u003e and \u003cstrong data-start=\"3576\" data-end=\"3608\"\u003eRuthless Audio Quad Stack 18\u003c\/strong\u003e are made for people who want strong low-end output without compromise. Whether you are building a daily driver that hits hard or a serious SPL setup, the \u003cstrong data-start=\"3763\" data-end=\"3786\"\u003eRuthless Quad Stack\u003c\/strong\u003e is built to deliver the kind of bass that gets attention.\u003c\/p\u003e","brand":"Ruthless Audio","offers":[{"title":"D 0.7","offer_id":44492120719500,"sku":null,"price":799.95,"currency_code":"USD","in_stock":true},{"title":"D 1.7","offer_id":44492120752268,"sku":null,"price":799.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/5076\/8524\/files\/IMG_20250720_135006.webp?v=1757921755"},{"product_id":"ruthless-audio-15-neo-4vc-subwoofer-copy","title":"Ruthless Audio 18\" Neo 4\"VC Subwoofer","description":"\u003cp data-start=\"0\" data-end=\"90\"\u003e\u003cstrong data-start=\"0\" data-end=\"63\"\u003eRuthless Audio Ultra Series Subwoofer 15\" and 18\" 4500W RMS\u003c\/strong\u003e\u003cbr data-start=\"63\" data-end=\"66\"\u003eSold by AudioSellerz.com\u003c\/p\u003e\n\u003cp data-start=\"92\" data-end=\"636\"\u003eIf you are building a serious bass setup and need a subwoofer that can handle real power, the \u003cstrong data-start=\"186\" data-end=\"217\"\u003eRuthless Audio Ultra Series\u003c\/strong\u003e is built for exactly that kind of system. Available in \u003cstrong data-start=\"273\" data-end=\"288\"\u003e15\" and 18\"\u003c\/strong\u003e sizes and rated at \u003cstrong data-start=\"308\" data-end=\"326\"\u003e4500 watts RMS\u003c\/strong\u003e, the \u003cstrong data-start=\"332\" data-end=\"350\"\u003eRuthless Ultra\u003c\/strong\u003e is made for people who want huge output, strong thermal control, and the kind of performance that works in both hard-hitting daily systems and extreme SPL builds. You can shop more \u003cstrong data-start=\"532\" data-end=\"576\"\u003eRuthless Audio subwoofers and amplifiers\u003c\/strong\u003e here:\u003cbr data-start=\"582\" data-end=\"585\"\u003e\u003ca data-start=\"585\" data-end=\"636\" rel=\"noopener\" class=\"decorated-link\" href=\"https:\/\/audiosellerz.com\/collections\/ruthless-audio\"\u003ehttps:\/\/audiosellerz.com\/collections\/ruthless-audio\u003cspan aria-hidden=\"true\" class=\"ms-0.5 inline-block align-middle leading-none\"\u003e\u003csvg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20\" height=\"20\" aria-hidden=\"true\" data-rtl-flip=\"\" class=\"block h-[0.75em] w-[0.75em] stroke-current stroke-[0.75]\"\u003e\u003cuse fill=\"currentColor\" href=\"\/cdn\/assets\/sprites-core-97566a9e.svg#304883\"\u003e\u003c\/use\u003e\u003c\/svg\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp data-start=\"638\" data-end=\"1063\"\u003eThe \u003cstrong data-start=\"642\" data-end=\"683\"\u003eRuthless Audio Ultra Series subwoofer\u003c\/strong\u003e was designed around power, cooling, and consistency. With an advanced staged cooling and inductance control system, this sub is built to help manage heat while keeping performance strong when the system is pushed hard. If you are looking for a \u003cstrong data-start=\"928\" data-end=\"954\"\u003eRuthless 15\" subwoofer\u003c\/strong\u003e or \u003cstrong data-start=\"958\" data-end=\"984\"\u003eRuthless 18\" subwoofer\u003c\/strong\u003e that is made for real abuse, the Ultra Series is built for that level of work.\u003c\/p\u003e\n\u003cp data-start=\"1065\" data-end=\"1629\"\u003eThe cooling system is a major part of what makes the \u003cstrong data-start=\"1118\" data-end=\"1139\"\u003eRuthless Ultra 15\u003c\/strong\u003e and \u003cstrong data-start=\"1144\" data-end=\"1165\"\u003eRuthless Ultra 18\u003c\/strong\u003e stand out. \u003cstrong data-start=\"1177\" data-end=\"1188\"\u003eStage 1\u003c\/strong\u003e uses a machined aluminum pole sleeve for heat wicking and inductance reduction. \u003cstrong data-start=\"1269\" data-end=\"1280\"\u003eStage 2\u003c\/strong\u003e adds an aluminum domed compression cap to increase cooling and improve linearity. \u003cstrong data-start=\"1363\" data-end=\"1374\"\u003eStage 3\u003c\/strong\u003e brings the full system together with a finned aluminum extrusion that cuts inductance significantly while maximizing thermal dissipation. That means the \u003cstrong data-start=\"1528\" data-end=\"1556\"\u003eRuthless Ultra subwoofer\u003c\/strong\u003e is built to stay more controlled and consistent when power levels climb.\u003c\/p\u003e\n\u003cp data-start=\"1631\" data-end=\"2161\"\u003eThis subwoofer also uses an \u003cstrong data-start=\"1659\" data-end=\"1701\"\u003eopen column FEA-optimized motor design\u003c\/strong\u003e with ultra-high flux density and a \u003cstrong data-start=\"1737\" data-end=\"1771\"\u003e4\" diameter 4-layer voice coil\u003c\/strong\u003e for durability under heavy load. The \u003cstrong data-start=\"1809\" data-end=\"1845\"\u003ekraft pulp fiber reinforced cone\u003c\/strong\u003e and \u003cstrong data-start=\"1850\" data-end=\"1883\"\u003edual-layer wide foam surround\u003c\/strong\u003e help the sub stay composed while moving serious air. A \u003cstrong data-start=\"1939\" data-end=\"1979\"\u003e5-layer progressive soft spider pack\u003c\/strong\u003e adds more stability and excursion control, while the \u003cstrong data-start=\"2033\" data-end=\"2063\"\u003eheavy-duty aluminum basket\u003c\/strong\u003e and \u003cstrong data-start=\"2068\" data-end=\"2090\"\u003ewrap-around gasket\u003c\/strong\u003e help finish off a structure that is clearly built for high-output use.\u003c\/p\u003e\n\u003cp data-start=\"2163\" data-end=\"2563\"\u003eThe \u003cstrong data-start=\"2167\" data-end=\"2218\"\u003eRuthless Audio Ultra Series 4500W RMS subwoofer\u003c\/strong\u003e is available in \u003cstrong data-start=\"2235\" data-end=\"2251\"\u003edual 0.7 ohm\u003c\/strong\u003e and \u003cstrong data-start=\"2256\" data-end=\"2272\"\u003edual 1.7 ohm\u003c\/strong\u003e options, giving you flexibility when building around your amplifier and final ohm load. If you need help figuring out the right wiring setup for your build, read our \u003cstrong data-start=\"2439\" data-end=\"2473\"\u003ecar audio wiring diagram guide\u003c\/strong\u003e here:\u003cbr data-start=\"2479\" data-end=\"2482\"\u003e\u003ca data-start=\"2482\" data-end=\"2563\" rel=\"noopener\" class=\"decorated-link\" href=\"https:\/\/audiosellerz.com\/blogs\/audio-sellerz-blogs\/car-audio-wiring-diagram-guide\"\u003ehttps:\/\/audiosellerz.com\/blogs\/audio-sellerz-blogs\/car-audio-wiring-diagram-guide\u003cspan aria-hidden=\"true\" class=\"ms-0.5 inline-block align-middle leading-none\"\u003e\u003csvg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20\" height=\"20\" aria-hidden=\"true\" data-rtl-flip=\"\" class=\"block h-[0.75em] w-[0.75em] stroke-current stroke-[0.75]\"\u003e\u003cuse fill=\"currentColor\" href=\"\/cdn\/assets\/sprites-core-97566a9e.svg#304883\"\u003e\u003c\/use\u003e\u003c\/svg\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp data-start=\"2565\" data-end=\"2741\"\u003eIf you are pairing a subwoofer like this with serious power, your electrical system matters too. Shop our \u003cstrong data-start=\"2671\" data-end=\"2685\"\u003eBig 3 Kits\u003c\/strong\u003e here:\u003cbr data-start=\"2691\" data-end=\"2694\"\u003e\u003ca data-start=\"2694\" data-end=\"2741\" rel=\"noopener\" class=\"decorated-link\" href=\"https:\/\/audiosellerz.com\/collections\/big-3-kits\"\u003ehttps:\/\/audiosellerz.com\/collections\/big-3-kits\u003cspan aria-hidden=\"true\" class=\"ms-0.5 inline-block align-middle leading-none\"\u003e\u003csvg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20\" height=\"20\" aria-hidden=\"true\" data-rtl-flip=\"\" class=\"block h-[0.75em] w-[0.75em] stroke-current stroke-[0.75]\"\u003e\u003cuse fill=\"currentColor\" href=\"\/cdn\/assets\/sprites-core-97566a9e.svg#304883\"\u003e\u003c\/use\u003e\u003c\/svg\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp data-start=\"2743\" data-end=\"2945\"\u003eIf you are stepping into a larger high-output system, shop our \u003cstrong data-start=\"2806\" data-end=\"2829\"\u003eBrand X Alternators\u003c\/strong\u003e here:\u003cbr data-start=\"2835\" data-end=\"2838\"\u003e\u003ca data-start=\"2838\" data-end=\"2945\" rel=\"noopener\" class=\"decorated-link\" href=\"https:\/\/audiosellerz.com\/collections\/brand-x-electrical-alternators-batteries-high-output-charging-upgrades\"\u003ehttps:\/\/audiosellerz.com\/collections\/brand-x-electrical-alternators-batteries-high-output-charging-upgrades\u003cspan aria-hidden=\"true\" class=\"ms-0.5 inline-block align-middle leading-none\"\u003e\u003csvg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20\" height=\"20\" aria-hidden=\"true\" data-rtl-flip=\"\" class=\"block h-[0.75em] w-[0.75em] stroke-current stroke-[0.75]\"\u003e\u003cuse fill=\"currentColor\" href=\"\/cdn\/assets\/sprites-core-97566a9e.svg#304883\"\u003e\u003c\/use\u003e\u003c\/svg\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp data-start=\"2947\" data-end=\"3143\"\u003eYou can also learn more about charging support for bigger systems in our \u003cstrong data-start=\"3020\" data-end=\"3051\"\u003ehigh output alternator blog\u003c\/strong\u003e here:\u003cbr data-start=\"3057\" data-end=\"3060\"\u003e\u003ca data-start=\"3060\" data-end=\"3143\" rel=\"noopener\" class=\"decorated-link\" href=\"https:\/\/audiosellerz.com\/blogs\/audio-sellerz-blogs\/high-output-alternator-car-audio\"\u003ehttps:\/\/audiosellerz.com\/blogs\/audio-sellerz-blogs\/high-output-alternator-car-audio\u003cspan aria-hidden=\"true\" class=\"ms-0.5 inline-block align-middle leading-none\"\u003e\u003csvg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20\" height=\"20\" aria-hidden=\"true\" data-rtl-flip=\"\" class=\"block h-[0.75em] w-[0.75em] stroke-current stroke-[0.75]\"\u003e\u003cuse fill=\"currentColor\" href=\"\/cdn\/assets\/sprites-core-97566a9e.svg#304883\"\u003e\u003c\/use\u003e\u003c\/svg\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp data-start=\"3145\" data-end=\"3562\"\u003eThe \u003cstrong data-start=\"3149\" data-end=\"3174\"\u003eRuthless Ultra Series\u003c\/strong\u003e is built in-house from U.S.-sourced materials and made for people who want clean, powerful bass at extreme output levels. Whether you are putting together a hard-hitting daily driver, a demo vehicle, or an SPL-focused build, the \u003cstrong data-start=\"3404\" data-end=\"3431\"\u003eRuthless Audio Ultra 15\u003c\/strong\u003e and \u003cstrong data-start=\"3436\" data-end=\"3463\"\u003eRuthless Audio Ultra 18\u003c\/strong\u003e are built to handle serious power and deliver the kind of low-end performance bassheads are after.\u003c\/p\u003e\n\u003cp data-start=\"3564\" data-end=\"3785\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eIf you are after a subwoofer that combines heavy power handling, advanced cooling, strong motor force, and real high-output potential, the \u003cstrong data-start=\"3703\" data-end=\"3744\"\u003eRuthless Audio Ultra Series subwoofer\u003c\/strong\u003e is a serious option for your next build.\u003c\/p\u003e","brand":"Ruthless Audio","offers":[{"title":"D 0.7","offer_id":44492127993996,"sku":null,"price":1399.95,"currency_code":"USD","in_stock":true},{"title":"D 1.7","offer_id":44492128026764,"sku":null,"price":1399.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/5076\/8524\/files\/IMG_20250720_135009.webp?v=1757922428"},{"product_id":"audio-sellerz-groundbreaker-1-5k-18","title":"Audio Sellerz GroundBreaker 1.5K 18\"","description":"","brand":"Audio Sellerz","offers":[{"title":"D2","offer_id":49862117851276,"sku":"AS-GB-18-D2","price":479.99,"currency_code":"USD","in_stock":false},{"title":"D4","offer_id":49862117884044,"sku":"AS-GB-18-D4","price":479.99,"currency_code":"USD","in_stock":true}]},{"product_id":"audio-sellerz-earth-crusher-3-5k-18","title":"Audio Sellerz Earth Crusher 3.5K 18\"","description":"","brand":"Audio Sellerz","offers":[{"title":"D2","offer_id":49862127419532,"sku":"AS-EC-18-D2","price":1149.99,"currency_code":"USD","in_stock":true},{"title":"D1","offer_id":49862127452300,"sku":"AS-EC-18-D1","price":1149.99,"currency_code":"USD","in_stock":true}]}],"url":"https:\/\/audiosellerz.com\/collections\/18-inch-subwoofers.oembed","provider":"Audio Sellerz","version":"1.0","type":"link"}