Pioneer Champion Series TS-A301D4 1600 Watts 12" Daul 4 Ohm Car Subwoofer NEW 884938496049 | eBay
Pioneer TS-W3002D4 (TSW3002D4) 12" Dual 4 ohm Champion PRO Sub
Pioneer TS-W309D4 12" 1400 Watt Subwoofer Dual 4 Ohm Car Sub Champion Series | Audio Savings
Pioneer TS-W3002D2 Champion Series Pro 12" sub with dual 2-ohm voice coils at Crutchfield
TS-W3002D2|D4 - 12" Champion Series PRO Subwoofer with 3500 Watts Max. (1000 Watts Nom.) | Pioneer Electronics USA
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-A301D4 at Onlinecarstereo.com
Pioneer TS-300D4 Champion Series 12" Dual 4 Ohm Car Audio Subwoofer 1400W Max - Walmart.com
Pioneer Champion Series PRO TS-W3003D4 12" subwoofer with dual 4-ohm voice coils - Newegg.com