TS-A301D4 - 12" - 1600 W Max Power, Dual 4 Ohm Voice Coil, Champion Series- Component Subwoofer | Pioneer Electronics USA
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 TSW312D4 Champion Series 12" 1500 Watt – Green Bee Solutions