12 Inch Premier Subwoofer And Crunch Amplifier Set Up. 810028811317 | eBay
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 Premier TS-W2502D2 10" Champion Pro Series 3000W Subwoofer