SoundQubed

SoundQubed HDX3 12" Series Subwoofer 1500W RMS D1 or D2

$449.95 USD

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Ohm Load D1 D2

SoundQubed HDX3 12" Series Subwoofer 1500W RMS D1 or D2

Sold by AudioSellerz.com

Build around the exact SoundQubed HDX3 12" Series Subwoofer 1500W RMS D1 or D2 instead of choosing a subwoofer from size or wattage alone. The product title lists 1500 watts RMS. It is offered in Dual 1 Ohm and Dual 2 Ohm voice-coil options according to the title.

This SoundQubed subwoofer page is designed to answer buyer searches for the model, cone size, DVC configuration, amplifier match, final ohm load, enclosure, and complete bass-system requirements while keeping the factory product information visible.

Original Product Details and Specifications

If you want a 12" subwoofer that brings serious low-frequency output without giving up control, the SoundQubed HDX3 12 is built for that kind of setup. This heavy-duty competition subwoofer is made for customers who want strong bass, serious power handling, and a woofer that can take real amplifier power in a practical size. With a beefy made-in-the-USA dual voice coil and a design focused on efficiency, cooling, and control, the HDX3 12 is a strong fit for hard-hitting daily systems and serious bass builds.

The HDX3 can handle 1500 watts RMS and 4500 watts peak power, giving you the kind of output potential that makes a serious difference once you put real power behind it. The motor uses 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 greater accuracy, while the larger spider roll profile helps deliver low-frequency performance without giving up power handling or control.

This subwoofer also uses a taller and wider surround for more precise excursion, stronger pulp-blend cones that are lighter than previous 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, durability, and long-term performance when the system is pushed hard. If you are shopping for a 12" competition subwoofer, SoundQubed 12" sub, HDX3 12, or a dual voice coil SPL-style woofer that can play low and stay strong, this one checks the right boxes.

For system design, the HDX3 12 is offered in D1 and D2 versions and uses a 3" voice coil, 300 oz magnet, 50 mm coil length, and 68 mm usable throw. SoundQubed also lists Fs at 26.92 Hz, sensitivity at 84.03 dB, BL at 31.45, and the 12" model as part of the HDX3 line alongside 15" and 18" versions.

Specifications

Specification: Details
Brand: SoundQubed
Series: HDX3
Speaker Size: 12"
Subwoofer Type: Heavy-duty competition dual voice coil subwoofer
RMS Power Handling: 1500 watts
Peak Power Handling: 4500 watts
Impedance Options: D1 or D2
Magnet Weight: 300 oz
Voice Coil Diameter: 3"
Coil Length: 50 mm
Usable Throw: 68 mm
Fs: 26.92 Hz
Zmax: 70.16 ohms
Qms: 4.95
Qes: 0.3409
Qts: 0.3189
Vas: 28.59 liters
Le: 2.553
n0: 15.60%
Mms: 440.9 grams
Cms: 0.079
Sensitivity: 84.03 dB
BL: 31.45

Match This SoundQubed Subwoofer to the Amplifier and Enclosure

A subwoofer money page must connect the woofer to the rest of the bass system. Match the verified RMS power handling and voice-coil configuration to a stable amplifier load. Then confirm the enclosure type, net air space, tuning, port area, mounting depth, cutout, subwoofer displacement, available vehicle space, speaker wire, and electrical support from the exact specifications.

Shop Related SoundQubed Bass-System Products

Compare more SoundQubed subwoofers, browse monoblock car audio amplifiers, and shop subwoofer boxes and enclosures for the rest of the bass-system plan.

Helpful Subwoofer Guides

Use the subwoofer wiring diagrams and final ohm-load guide before choosing a voice-coil option. Read the subwoofer enclosure guide before selecting or building a box, and use the complete car audio bass setup guide to match the subwoofer, amplifier, enclosure, wiring, fusing, battery, and alternator.

The subwoofer specifications guide explains common woofer ratings, while the amplifier gain guide for subwoofers helps protect the system from poor setup and clipping.

Shop SoundQubed at Audio Sellerz

Browse the complete SoundQubed car audio collection at Audio Sellerz for SoundQubed subwoofers, amplifiers, speakers, tweeters, wiring, deadener, and system accessories. Read why Audio Sellerz sells and supports SoundQubed to learn more about the brand relationship and the product categories we carry.

Frequently Asked Questions About SoundQubed HDX3 12" Series Subwoofer 1500W RMS D1 or D2

What amplifier should I use with this SoundQubed subwoofer?

Use the product's verified RMS power handling, voice-coil configuration, number of subwoofers, final wired impedance, and the amplifier's continuous output at that impedance. Do not match from peak or maximum power alone.

Which voice-coil option should I choose?

The title lists Dual 1 Ohm and Dual 2 Ohm options. Choose the version that produces a safe final load for the amplifier after accounting for the number of subwoofers and the planned series or parallel wiring.

What enclosure should I use?

Use the exact enclosure recommendations, displacement, mounting depth, and cutout information listed for this model. The best box also depends on the vehicle, available space, music, and desired output.