SoundQubed HDS3.3 15" 1500W RMS DVC Subwoofer D2/D4

SoundQubed HDS3.3 15" 1500W RMS DVC Subwoofer D2/D4
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The SoundQubed HDS3.3 15" 1500W RMS DVC Subwoofer D2/D4 is a serious 15" car audio subwoofer built for customers who want strong bass output, daily-driver performance, and a subwoofer that can handle real amplifier power. This listing includes both dual 2 ohm and dual 4 ohm voice coil options, so you can choose the version that best matches your amplifier, wiring plan, and final impedance goal.

The HDS3.3 15" is rated at 1500 watts RMS and 3000 watts max, giving you a strong platform for loud daily systems, trunk builds, custom ported enclosures, and bass setups that need more than a basic entry-level subwoofer. With a 3" dual voice coil design, this sub is made for customers who want solid power handling, strong motor control, and big 15" cone area without jumping into an extreme competition-only woofer.

A 15" subwoofer is a great choice when you want deeper bass, more cone area, and a bigger low-end feel than most smaller subwoofer setups. The SoundQubed HDS3.3 15" works well for customers building around a proper monoblock amplifier, a correctly designed enclosure, quality speaker wire, and the electrical support needed to keep the system stable.

Choosing the correct voice coil option matters. Choose the D2 version if your amplifier and subwoofer wiring plan call for dual 2 ohm voice coils. Choose the D4 version if your amplifier and wiring plan call for dual 4 ohm voice coils. If you are not sure which one you need, read our Dual 2 Ohm vs Dual 4 Ohm Subwoofer Guide before ordering.

Product Highlights:

• 15" car audio subwoofer
• 1500 watts RMS power handling
• 3000 watts max power rating
• 3" dual voice coil design
• Available in dual 2 ohm or dual 4 ohm voice coil options
• Strong option for daily bass builds and custom subwoofer systems
• Great fit for ported enclosures when matched correctly
• Built for shoppers who want loud, clean, hard-hitting bass

Important Voice Coil Notice:

This listing is for one SoundQubed HDS3.3 15" subwoofer with selectable voice coil options. Please choose either D2 or D4 before checkout. D2 means dual 2 ohm voice coils. D4 means dual 4 ohm voice coils. The right choice depends on your amplifier, the number of subwoofers you are using, and your target final ohm load.

For a single subwoofer setup, a dual 2 ohm subwoofer is commonly used when the goal is a 1 ohm final load. A dual 4 ohm subwoofer is commonly used when the goal is a 2 ohm final load. Always verify your amplifier’s minimum stable impedance before wiring the subwoofer. Our Subwoofer Wiring Diagrams and Ohm Load Guide can help you understand series wiring, parallel wiring, and final impedance before you install.

Recommended Use:

The SoundQubed HDS3.3 15" subwoofer is recommended for car audio customers who want a strong daily bass setup, a loud trunk build, or a custom enclosure system with real low-end output. This is a strong middle ground between entry-level subs and extreme high-power competition woofers.

For best results, use this subwoofer with a properly matched monoblock amplifier, quality speaker wire, correct impedance wiring, and an enclosure built around the subwoofer and vehicle. The box matters a lot with a 15" subwoofer. If you are still planning the enclosure side of the build, read our Subwoofer Box Guide or shop our Subwoofer Boxes & Enclosures.

Build the Full System Correctly:

A subwoofer like the HDS3.3 15" performs best when the whole system is matched correctly. The amplifier, enclosure, wiring, final ohm load, and electrical support all work together. If one part is wrong, the system may lose output, create heat, drop voltage, or fail to perform the way it should.

If you are building a full bass setup around this subwoofer, check out our Complete Car Audio Bass Setup Guide. For power and ground wiring, shop car audio wire. For stronger electrical support, browse car audio electrical upgrades, Advanced Electric batteries, or Limitless Lithium batteries.

Who is the SoundQubed HDS3.3 15" For?

• Daily drivers that need stronger bass
• Customers wanting a loud 15" subwoofer setup
• Trunk builds and custom enclosure systems
• Single subwoofer or multi-subwoofer setups
• Shoppers choosing between D2 and D4 voice coil options
• Car audio builds that need real 1500 watt RMS subwoofer performance

If you want a 15" SoundQubed subwoofer that can handle real power, move serious air, and still make sense in a strong daily-driver bass setup, the HDS3.3 15" D2/D4 is a solid choice to build around.

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