... Higt Power Subwoofe System & Plastic Tooling Cabine 2-Way Molded Speaker Box PassiveWoofer:15"woofer,100OZ,100mm VC,8OhmSensitivity: ... Higt Power Subwoofe System & Plastic Tooling Cabine 2-Way Molded Speaker Box ActiveWoofer:15"woofer,100OZ,100mm VC,4OhmSensitivity: ... Higt Power Subwoofe System & Plastic Tooling Cabine 2-Way Molded Speaker Box 2.1ActiveWoofer:15"woofer,100OZ,100mm VC,4OhmSensitivity: ...