The Hammer Tech Assault Class Ultra ACU 15 takes car audio back to the good old days where people were all about pure performance without the fluff that is so rampant today.

The Ultra Class of woofers offers an optimized design biased towards competition while still retaining the capabilities of a daily ground pounder. A dual magnet structure mated with a massive top plate keeps this motor strong and yet small.

Special attention was made to the cooling system of this woofer though its unique back plate design, allowing for optimum ventilation and heat dissipation within the woofer without compromising any structural or mechanical properties

Coupled with a compact design, this woofer is requires 10% less depth as compared to other woofers in its power class, increasing ease of usage.

With a 4" voice coil and a SPL surround, this woofer is ready to take on competitors anytime of the day.

Custom build SHOK INDUSTRIES COMPETITION 8 AWG direct leads ensure ideal power transfer from your amplifier to your subwoofer!

Only avaliable in Dual 1 configuratoin