Amazon.com: Pioneer TS-A300D4 12 Inch 1500 Watts Max Power Dual 4-Ohm Voice Coil A Series Car Audio Stereo Subwoofer Loudspeakers / Free Alphasonik Earbuds : Electronics
Pioneer TSW312D4 Champion Series 12" 1500 Watt Dual 4 Ohm Voice Coil DVC Car Subwoofer
TS-W302R - 12" Component Subwoofer with 800 Watts Max. Power | Pioneer of Canada - English
PIONEER TS-W301R 800W MAX 150W NOM 4 OHM12 INCH SUBWOOFER | eBay
BOSS Audio Systems CXX10 Chaos Exxtreme Series 10 inch Car Audio Subwoofer - 800 Watts Max, Single 4 Ohm Voice Coil, for Truck, Boxes and Enclosures, Use With Amplifier - Walmart.com