AudioPipe Audiopipe 12" Subwoofer Dual 4 Ohm DVC 900W / 1800W Max Power TXX-BDC3-12
TS-CAR6 Subwoofer
Audiopipe Bass Package – Dual 12″ Subwoofer Enclosure with Amplifier & Wiring Kit – The Wholesale House
Amazon.com: AudioPipe TXX-BDC4-10 10 Inch 1800 Watt High Performance Powerful 4 Ohm DVC Vehicle Car Sub Audio Subwoofer Speaker System, Black : Electronics