SoundQubed 18" HDX4.2 Series Subwoofer Dual 1 ohm 4" DVC 4000w/8000w 6.5" Speaker Supertuner® IIID

Supertuner® IIID

Whether you’re upgrading a stock system or refining your existing build

and extreme daily drivers

5m Input Wires for RGB and Woofer Speakers

electroplated back plate lets heat flow away from the coil

SoundQubed 18" HDX4.2 Series Subwoofer Dual 1 ohm 4" DVC 4000w/8000w 6.5" Speaker Supertuner® IIIDThe SoundQubed HDX4. 2 is a competition grade subwoofer engineered for relentless power, precision, and extreme low end performance. Delivering a monstrous 4000W RMS and 16,000W burst power, this dual 1 ohm beast is designed to dominate high output car audio systems. With a sensitivity of 84. 9dB and a low resonant frequency of 34. 4Hz, it delivers clean, powerful bass with commanding depth and control. A massive 402 oz magnet, oversized 4 high temp