car ampliffier, Max output power: 390W, Main channel R.M.S.: 2X65W, 8" woofer, ... . car amplifierClass-T amplifierMax output power: 390WMain channel R.M.S.: 2X65WWoofer channel R.M.S.:100WPhase switch:0o/180oHigh-pass:15Hz ... controllingThermal protectionOverload protectionShort circuit protection car amplifier (sw833v) with Max output power 390W