55 Series 15" 2Ω Dual Voice Coil Subwoofer | MTX Audio - Serious About Sound®
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-9512-22 – E:S CORPORATION
MTX Jackhammer 22" on 13,000 Watts 4 HO Alt. - YouTube