BuildsMembersVideosForums
Teams
Browse teams
Events
Car shows & meets
Competitions
SPL & SQ leagues
Contest
Win prizes!
Equipment
Browse audio gear
Installation Shops
Find professional installers
Equipment Brands
Explore top brands
Retailers
Find dealers & stores
Creators
YouTubers & reviewers
Calculators & Tools
Box, impedance, wire & more
Login

Get updates on builds, events & deals

Get updates on builds, events & deals

COMMUNITY
  • Browse Builds
  • Members
  • Groups
  • Teams
  • Competitions
  • Events
  • Promoters
  • Video Galleries
  • Brands
  • Retailers
  • Equipment Database
  • Submit Your Build
TOOLS
  • Box Calculator
  • Impedance Calculator
  • Wire Gauge Calculator
  • Amplifier Matching
  • Cone Area Calculator
  • dB Power Calculator
  • Ohm's Law Calculator
  • Power Calculator
  • Lithium Battery Calculator
  • Strapped vs Gain Matched
SUPPORT
  • Installation Guides
  • Warranty Info
  • Contact Us
  • Dealer Locator
COMPANY
  • Sparked Innovations Store
  • About Us
  • Eddie's Blog
  • Privacy Policy
  • Terms of Service
  • Data Policy & Ethics
  • Data Deletion
  • Changelog
FOR BUSINESS
  • Partner With Us
  • Become a Retailer
  • List Your Shop

Product data aggregated from publicly available retailer listings

Sonic ElectronixWoofers EtcSky High Car AudioDown4Sound ShopBig Jeff AudioCar Audio BargainShowtime Electronics+ more
Loading...

© 2026 Sparked Innovations. All rights reserved.

POWERED BY SPARKED INNOVATIONS
v1.00|Beta|Live
Home/Equipment/Subwoofers/SoundQubed/HDX4.2 Series Subwoofer 12 Inch 4" DVC 4000w/8000w D2
SoundQubed HDX4.2 Series Subwoofer 12 Inch 4" DVC 4000w/8000w D2
SoundQubed/Subwoofer

SoundQubed HDX4.2 Series Subwoofer 12 Inch 4" DVC 4000w/8000w D2

Product Overview The SoundQubed HDX4.2-12D2 is a competition-grade 12” subwoofer engineered for relentless power, control, and elite low-end performance. Delivering a staggering 4000W RMS and 16,000W burst power , this dual 2-ohm monster is built to dominate in high-output car audio systems. With a sensitivity of 85.1dB and a low resonant frequency of 35.6Hz , it delivers clean, thunderous bass with commanding precision. A colossal 402 oz magnet , massive 4” high-temp voice coil , and 23mm Xmax allow for extreme excursion and durability. Housed in a reinforced steel frame, the HDX4.2-12D2 is the go-to choice for serious competitors and bassheads who demand maximum performance without compromise. Reviews (No reviews yet) Write a Review
Used in 0 builds
View All SoundQubed Subwoofers
Acoustic Data Pending

Thiele-Small parameters for this driver are being processed by our enrichment pipeline.

Compare Prices(1 retailer)
S
SoundQubedBest Price
Available
$799.95
Updated 3/30/2026
Also check Amazon

Search for this product on Amazon

Prices and availability may vary. Click to verify current pricing at retailer.

Need this installed?

Browse 41+ professional car audio installers in our network

Find an Installer

Frequently Asked Questions

What is the SoundQubed HDX4.2 Series Subwoofer 12 Inch 4" DVC 4000w/8000w D2?

The SoundQubed HDX4.2 Series Subwoofer 12 Inch 4" DVC 4000w/8000w D2 is a car audio equipment made by SoundQubed. View full specifications and where to buy on this page.

How much does the SoundQubed HDX4.2 Series Subwoofer 12 Inch 4" DVC 4000w/8000w D2 cost?

The SoundQubed HDX4.2 Series Subwoofer 12 Inch 4" DVC 4000w/8000w D2 typically sells for around $800 depending on the retailer and variant. Check the "Where to Buy" section for current pricing from authorized dealers.

Where can I buy the SoundQubed HDX4.2 Series Subwoofer 12 Inch 4" DVC 4000w/8000w D2?

You can purchase the SoundQubed HDX4.2 Series Subwoofer 12 Inch 4" DVC 4000w/8000w D2 from authorized dealers listed in the "Where to Buy" section on this page. We recommend buying from authorized retailers to ensure warranty coverage and genuine products.

Customer Reviews

-

0 reviews

5
0
4
0
3
0
2
0
1
0

Sign in to write a review

Loading reviews...

More from SoundQubed

SoundQubed HDX3.2 Series Subwoofer 18 Inch 3" DVC 2500w/5000w D1

HDX3.2 Series Subwoofer 18 Inch 3" DVC 2500w/5000w D1

Subwoofer
SoundQubed 12" HDX4 Series Subwoofers

12" HDX4 Series Subwoofers

Subwoofer
BG4‐1400

BG4‐1400

Amplifier
*BSTOCK* F1-12000

*BSTOCK* F1-12000

Amplifier
SoundQubed 4 Gauge CCA (Copper Clad Aluminum) Power Wire BLACK 100 Ft.

4 Gauge CCA (Copper Clad Aluminum) Power Wire BLACK 100 Ft.

Wiring
SoundQubed HDB2 Series Subwoofer 12 Inch 2.0" DVC 450/900w D2

HDB2 Series Subwoofer 12 Inch 2.0" DVC 450/900w D2

Subwoofer
View All SoundQubed Products

No Builds Yet

Be the first to showcase a build with this Subwoofer!

Compare to Similar Subwoofers

vs Cerwin Vega Stroker 12" Subwoofervs Fi Car Audio BTL3 12" 1 Ohm Subwoofervs MTX The Jackhammervs Alpine R2-W8D4vs DC Audio SPL XL Elite

Similar Subwoofers

Stroker 12" Subwoofer
Cerwin Vega

Stroker 12" Subwoofer

1 build

BTL3 12" 1 Ohm Subwoofer
Fi Car Audio

BTL3 12" 1 Ohm Subwoofer

1 build

MTX
MTX

The Jackhammer

R2-W8D4
Alpine

R2-W8D4

DC Audio SPL XL Elite
DC Audio

SPL XL Elite

Helix

IK ES10.1-DVC2 MK2