8" (20cm) Powered Subwoofer Box This ready-to-use subwoofer is easy to install, so you can upgrade your sound system with just a few simple steps. FEATURES: 160W Peak Power Sealed Type Construction Built-in Amplifier Variable Low Pass Filter: 50Hz-100Hz (-12dB/oct) Phase Selector Switch Sealed Die-Cast Housing for Stealth Installation Wired remote Control Speaker-Level and RCA Inputs Power Cables and Installation Brackets Included Weight: 5kg Dimensions: (W x H x D) mm: 342 x 80 x 238 mm