SoundQubed 12" HDX4 Series Subwoofers 500 Watts RMS CROSSOVER / SIGNAL SHAPING:Accu-Cross

CROSSOVER / SIGNAL SHAPING:Accu-Cross

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Our VFL Series amplifiers are the secret weapon of world-class competitors who dominate the competition circuits with ease

Rear High-Pass:

SoundQubed 12" HDX4 Series Subwoofers 500 Watts RMS CROSSOVER / SIGNAL SHAPING:Accu-CrossHDX subwoofers build upon the design of the HDC line in response to recent shifts in source material and the mainstream frequency tuning of our customers vehicles. Our team scrutinized all aspects of the HDC subs to improve performance at lower frequencies. The resulting HDX dual voice coil competition subwoofer line is more efficient, plays lower, and sounds better setting a new bar for performance and value. INCREASED EXCURSION The new cast basket