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12" ALPINE TYPE R 12D4 1000 watt RMS [Nissan Skyline R33] - YouTube
Alpine SWR-8D2 Type-R 8" subwoofer with dual 2-ohm voice coils
3tCcg~~60_1.JPG?set_id=880000500F "ALPINE SWR-12D4 12-INCH TYPE-R CAR AUDIO SUBWOOFER 1000W RMS のeBay公認海外通販｜セカイモン")