Pioneer TS-W106M 1100W Peak (250W RMS) 10" Single 4-Ohm Car Subwoofer GM-D8601 Mono subwoofer amplifier 800 watts RMS at 1 ohm and Amplifier Wiring Kit - Walmart.com
Pioneer TS-WX1210AH 12" Ported Subwoofer Enclosure with Built-in Amplifier
PIONEER TS-WX1210AH 12" ACTIVE BASS REFLEX CAR SUBWOOFER W/ BUILT-IN AMPLIFIER | eBay
Pioneer TS-W3020PRO at Onlinecarstereo.com
Amazon.com: PIONEER TS-WX1210AM - Powerful 12-inch Active Subwoofer with Built-in Amplifier, 1300 Watts Peak Power, and Compact Design for Deep Bass : Electronics