MTX JackHammer JH600 Mono subwoofer amplifier — 600 watts RMS x 1 at 2 ohms at Crutchfield
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 JACKHAMMER!!!!! - YouTube
MTX Jackhammer Series 22" Subwoofer – G2 Dynamics, LLC