SoundQubed 18" HDX4 Series Subwoofers 18" Subwoofer (1) PRESET warning label

(1) PRESET warning label

in the box: ACX-600

Eight 1-3/8" Screws

Performance Specs

Frequency Response: 3 kHz - 20 kHz

SoundQubed 18" HDX4 Series Subwoofers 18" Subwoofer (1) PRESET warning labelHDX 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