Pioneer Premier Two 12'' 3000 Watts 1 ohm - YouTube
Pioneer Car Audio TS-W34C 12" Speaker In Carpeted Box SubWoofer 500 Watts 4 Ohms 23034079545 | 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 TS-W2502D4 10" Champion Series Pro Subwoofer With 3000 Watts Max Power - Dual 4 ohm