Alpine W10S4 Car Audio BassLine Series Sub Single 4 Ohm 500W Peak 10" Subwoofer with ASC DTB-2X10-CREW-UP Dual 10" Subwoofer Enclosure | 2X10DTB-CREW-19UP-ALP19-W10S4
Amazon.com: Alpine W10S4 10" 750 Watt Peak 250 Watt RMS 4-Ohm Car Audio Subwoofer Sub : Electronics