Alpine Swe- 1000 Subwoofer Free Shopping F/S From Japan used | eBay
HIPPOXL122 - 12 inch Subwoofer | 2000 Watts RMS Dual 2 Ohm 3" V.C. Mega
BOSS Audio Systems CXX124DVC Chaos Exxtreme Series 12 Inch Car Audio Subwoofer - 1200 Watts Max, Dual 4 Ohm Voice Coil, For Truck, Boxes and Enclosures, Use With Amplifier