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
22" 369 lb JackHammer #subwoofer with TA series #amplifiers and RoadThunder subwoofers taking over the area … | Car audio installation, Car audio systems, Car audio
MTX JH5512-X2D Ported enclosure with two 12" JackHammer 55 subwoofers at Crutchfield
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MTX Jack Hammer Sub box Loaded with an MTX 10 85 Series 4 Ohm Subwoofer
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Jackhammer Super Woofer 22-Inch Jackhammer Round Super Woofer, Dual 2 Ohm SPL Model 6000 W RMS (Black) : Amazon.ca: Everything Else