Pioneer 12-inch Car Subwoofer 1400 Watts Max Power - TS-A30S4 - Pair 884938446631 | 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