Pioneer 1300W MAXIMUM POWER TS-WX305T Tube Type Subwoofer. | dubizzle
Pioneer A-series Subwoofer with Dual 4-ohm Voice Coils (10") in the Mobile Audio department at Lowes.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