Sony GS Series XSGS80L 8-Inch SVC Subwoofer - Set of 1 (Black) (Discontinued by Manufacturer) 8" Single Voice Coil subwoofer Mica Reinforced Cellular Glass Fiber Honeycomb cone design Single 4 Ohm voicecoil 10 AWG Gold plated spring loaded speaker wire terminals 900W Peak (220W Rated)