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 12 Inch 800w Subwoofer
MTX JH4512A Ported enclosure with one 12" JackHammer 45 subwoofer at Crutchfield
MTX Jackhammer Series 22" Subwoofer – G2 Dynamics, LLC