Pioneer TS-A301D4 12" Champion Series Component Subwoofer with Power Dual 4 Ohm Voice Coil 1600 Watt Max : Electronics - 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 TS-300D4 Champion Series 12" Dual 4 Ohm Car Audio Subwoofer 1400w Max 884938373654 | eBay