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 Premier TS-W3001D2 at Onlinecarstereo.com
15″ Platform 3 – PSI Car Audio
TS-W2502D2|D4 - 10" Champion Series PRO Subwoofer with 3000 Watts Max. (800 Watts Nom.) | Pioneer Electronics USA