ALPINE SWT-10S4 10" 1000W SUB 4-OHM SUBWOOFER BASS SPEAKER CAR TRUCK AUDIO NEW 793276210159 | eBay
2 Alpine R2-W8D4 8" R Series 1,000 Watt Car Audio Subwoofer, 4 Ohm, Du – absoluteusa
Alpine Swr-843d 8-Inch 1000 Watt Dual 4 Ohm Type R Subwoofer by Alpine. $109.95. Brand New Alpine SWR-843D 8" 1000 Watt Dua… | Subwoofer, Car audio, Car electronics