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
Pioneer Compact 9 in. x 4.625 in. 160-Watt Powered Subwoofer with Built-In Amp TS-WX010A - The Home Depot
Pioneer GM-DX871 Limited Edition mono subwoofer amplifier — 800 watts RMS x 1 at 1 ohm at Crutchfield
Pioneer TS-WX1220AH - 2 Twelves Powered Sub - What's in the Box? - YouTube