{"product_id":"stetsom-hl-400-4-4-channel-amplifier-400w-rms-rca-high-wire-input","title":"Stetsom HL 400.4 Class D Full Range Amplifier – 4 Channel 400 Watts RCA and High Wire Input","description":"\u003cp data-start=\"121\" data-end=\"265\"\u003eStetsom HL 400.4 Class D Full Range Amplifier – 4 Channel 400 Watts RCA and High Wire Input\u003cbr data-start=\"238\" data-end=\"241\"\u003eSold by AudioSellerz.com\u003c\/p\u003e\n\u003cp data-start=\"267\" data-end=\"827\"\u003eThe Stetsom HL 400.4 is built for people who want a compact 4 channel amplifier that still gives strong full-range output and flexible installation options. Stetsom says the HL400.4 was developed for those seeking high performance and sound fidelity in automotive audio, and it is designed to deliver 400 watts RMS with excellent installation versatility. That makes it a strong option for daily-driver speaker upgrades, mids and highs setups, or clean installs where space matters but you still want real amplifier power. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"829\" data-end=\"1367\"\u003eOne of the better things about this amp is how flexible it is for different system layouts. The product page calls out 4 independent front and rear channels, LEVEL knobs for precise gain adjustment on each channel set, and built-in selectable crossover filters for LOW-PASS, HIGH-PASS, or FLAT full-range operation on both the front and rear channels. In real-world terms, that gives you a lot of freedom to run mids, highs, or a full-range setup without needing extra processors just to get started. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1369\" data-end=\"1858\"\u003eThis amp also makes sense for installs where room is limited. Stetsom specifically highlights its compact design, which is a big plus for tighter vehicles, hidden installs, motorcycles, smaller trunks, or builds where a large amp rack is not the goal. If you want a 4 channel amp that gives you useful crossover flexibility, both RCA and high wire input options, and practical power for everyday systems, the HL 400.4 is a smart piece to build around. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1860\" data-end=\"2120\"\u003eWhether you are running mids, highs, or a full-range speaker setup, the Stetsom HL 400.4 gives you clean multichannel power, installation flexibility, and the kind of simple tuning options that make system matching easier. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"2122\" data-end=\"2138\"\u003e\u003cstrong data-start=\"2122\" data-end=\"2138\"\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"2140\" data-end=\"2212\"\u003eTotal Power Output: 400 watts RMS. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"2214\" data-end=\"2300\"\u003eChannels: 4 independent front and rear channels. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"2302\" data-end=\"2385\"\u003eInput Options: RCA input and high wire input. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"2387\" data-end=\"2506\"\u003eInput Level Control: LEVEL knobs for precise gain adjustment on each channel set. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"2508\" data-end=\"2647\"\u003eCrossover Options: Built-in selectable filters for LOW-PASS, HIGH-PASS, or FLAT full-range operation. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"2649\" data-end=\"2757\"\u003eApplication: Works well for mids, highs, or full-range speaker setups. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"2759\" data-end=\"2871\"\u003eDesign: Compact chassis ideal for clean installs where space is limited. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"2873\" data-end=\"3110\"\u003eWhether you are upgrading door speakers or building a cleaner multichannel setup with more control, the HL 400.4 gives you the practical features a lot of everyday car audio installs actually need.\u003c\/p\u003e","brand":"Stetsom","offers":[{"title":"Default Title","offer_id":44248543625356,"sku":"","price":89.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/5076\/8524\/files\/2_10cc0f73-faad-436f-bf23-74e61e1ac666.webp?v=1751053985","url":"https:\/\/audiosellerz.com\/products\/stetsom-hl-400-4-4-channel-amplifier-400w-rms-rca-high-wire-input","provider":"Audio Sellerz","version":"1.0","type":"link"}