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JBL BassPro SL 8-inch 125W RMS Powered Under-Seat Compact Subwoofer Enclosure System (250 watts RMS: 125 watts)
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GT-BASSPRO12 | Subwoofer speaker with built-in 150W RMS amplifier with bass port for a surprising bass experience
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Amazon.com: JBL GT-BassPro12 12-Inch (300mm) Car Audio Powered Subwoofer System, black : Electronics
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