Alpine S-W10D4 Car Audio Type S Series Dual 4 Ohm 1200W Peak 10" Subwoofer with Harmony Audio HA-A400.1 Class D Mono 800W SubAmp and Rhino-Coated Standard Universal Single 10" Sub Box Enclosure
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Alpine 12 inch 1800W Active Car Subwoofer for sale online | eBay