All-in-one complete subwoofer bass package Dual 12-inch subwoofers come pre-wired and loaded in vented wedge-style enclosure Skar Audio rp-2000. 1D class D amplifier and 1/0 gauge amp wiring kit ...

A large sub in a small enclosure, this 12-inch woofer from Alphasonik has a 4-ohm impedance, 92 dB sensitivity and can hit frequencies as low as 26 Hz while handling a rated 500 watts RMS.

Nakamichi has unveiled a beastly new 12-inch subwoofer upgrade for its Dragon home cinema system, which promises to shake rooms (and possibly your house’s foundations), with earth-shattering bass.