TS-A123R - 12" - 1400w Max Power, Single 4W Voice Coil, IMPP Cone, Rubber Surround - Subwoofer | Pioneer Electronics USA
2) Pioneer Free Air Series Speakers TS-W25F Subwoofer | TRS Consignment Auction: Great deals on Automotive parts and accessories, Vinyl Machine Business set up, Griddle and more! | Equip-Bid
Pioneer TS-W304F 12" 4-ohm Free-air Subwoofer at Crutchfield