Alpine Ready to use Bass Reflex Subwoofer Tube, 12 inch (30cm), 1000w peak power handling, ready-to-use bass reflex sub woofer tub | SWT-12S4 Buy, Best Price. Global Shipping.
Alpine SWR-1221D 12" Dual 2-ohm Voice Coil Subwoofer at Crutchfield
Alpine SWR-1222D Type-R 12" subwoofer with dual 2-ohm voice coils at Crutchfield
Alpine® Type R 12" Black Car Subwoofer | Hi-Fi Systems
Amazon.com: Alpine ALP19-R-W12D2x2wKit Car Audio Type R Dual 2 Ohm 1500 Watt 12" Subwoofers with Sub Install Kit and HA-SWKD Dual Sub Box Install Kit - 16 Screws and Speaker Wire with