Ray Smith looks at the "Jackhammer" subwoofer at the MTX Audio booth during the 2007 International International Consumer Electronics Show (CES) in Las Vegas, Nevada January 9, 2007. The 22-inch subwoofer wieghs
MTX JH4512-X2D Ported enclosure with two 12" JackHammer 45 subwoofers at Crutchfield
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22" 369 lb JackHammer #subwoofer with TA series #amplifiers and RoadThunder subwoofers taking over the ar… | Car audio installation, Car audio, Car audio subwoofers