Pioneer TS-W3003D4 12 inch 600W Car Subwoofer for sale online | 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 PRO Series 12" 1,500-Watt Subwoofer in the Mobile Audio department at Lowes.com