GROUNDZERO GZPW 10SPL - 10” Inch 25cm 6500 Watts SPL Dual 1.6-Ohm Car Sub SubwooferGround Zero Plutonium GZPW10SPL 25CM 10"" 6500 Watts Car Competiton Subwoofer Plutonium High End Experience The products of the PLUTONIUM Line are suitable for either ultimate SPL Level or high end sound quality. To achieve one of these targets, Exceptional materials and technologies are applied during the development. The technical, electrical and mechanical skills of the resulting products convince not only during worldwide SPL Competitions but also