Home/Equipment/Subwoofers/SoundQubed/HDX 65 Subwoofer x4

SoundQubed HDX 65 Subwoofer x4

Name: SoundQubed HDX 65 Subwoofer x4
Brand: SoundQubed
Price: 240 USD
Availability: OutOfStock

Product Overview HDX 65 Subwoofer D2 or D4 x4 Model HDX 6.5 HDX 8 RMS Power 450 W 850 W Peak Power 1000 W 1700 W Magnet Weight 75 Oz 125 Oz Coil Diameter 2" 2.5" Coil Length 30 mm 36 mm Woofer Size 6.5" 8" F(s) 54.235 Hz 42.157 Hz Impedance D2 / D4 D2 / D4 Q(ms) 5.521 4.841 Q(es) 0.511 0.401 Q(ts) 0.546 0.391 V(as) 2.317 L 5.122 L M(ms) 85.480 grams 149.338 grams Sensitivity 1W/1m 81.5 82.1 BL 14.84 17.56 Xmax 8mm 12mm Sd 13.273" m2 20.106" m2 Displacement .06ft³ .09t³ Mounting Depth 4.527" 5.59" Circle Cutout 5.905" 7.244" Sealed Enclosure (Cu Ft): .25-.5FT³ .35-.75FT³ Ported Enclosure (Cu Ft): .35-1.0FT³ 1.0-1.5FT³ 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.

Where to Buy

Soundqubed

Updated 6/22/2026

$240.00Buy Now

Also check Amazon

Search for this product on Amazon

Price and availability may vary. Click to verify current pricing.

Need this installed?

Browse 42+ professional car audio installers in our network

Find an Installer

Frequently Asked Questions

What is the SoundQubed HDX 65 Subwoofer x4?

The SoundQubed HDX 65 Subwoofer x4 is a car audio equipment made by SoundQubed. View full specifications and where to buy on this page.

How much does the SoundQubed HDX 65 Subwoofer x4 cost?

The SoundQubed HDX 65 Subwoofer x4 typically sells for around $240 depending on the retailer and variant. Check the "Where to Buy" section for current pricing from authorized dealers.

Where can I buy the SoundQubed HDX 65 Subwoofer x4?

You can purchase the SoundQubed HDX 65 Subwoofer x4 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.