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Amazon.com: Rockville RW8CA 8" 600 Watt Low Profile Under-Seat Active Powered Car Subwoofer, Black : Electronics
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BOSS Audio Systems BASS8 8 Inch Under Seat Powered Car Subwoofer – 800 High Output, Low Profile, Built In Amplifier, For Truck, Boxes and Enclosures, Remote Subwoofer Control