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

these units use less horsepower per kW than conventional 3 phase alternators

Long Spool

000W RMS Power at 1 Ohm 14

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