SoundQubed HDX4.2 Series Subwoofer 15 Inch 4" DVC 4000w/8000w D1

Product Overview The SoundQubed HDX4.2-12D1 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 1-ohm monster is built to dominate in high-output car audio systems. With a sensitivity of 84.9dB and a low resonant frequency of 34.4Hz, 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 HDX4.2-12D1 is the go-to choice for serious competitors and bassheads who demand maximum performance without compromise. Reviews (1 review) Write a Review 1 Review Hide Reviews Show Reviews 5 Amazing subwoofers ? pounds for days Posted by Thirst on 11/03/2025 Love them very musical and they hit hard