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JBL® GT-BassPro12
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Old School 90's JBL GT Series GT122 140W-280W Single Voice Coil 12" Subwoofer | eBay
Amazon.com: JBL GT-BassPro12 12-Inch (300mm) Car Audio Powered Subwoofer System, black : Electronics
Amazon.com: JBL GT-BassPro12 12-Inch (300mm) Car Audio Powered Subwoofer System, black : Electronics
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JBL GT Bass Pro 12 vs. Rockford Fosgate P300 12 - Battle of Powered Subwoofers - Decibel Results!! - YouTube
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JBL GT102 SUBWOOFER OWNER'S MANUAL | ManualsLib
