TRF SMD 600.1D   POWER RMS 4ohm 200W X1POWER RMS 2ohm 300W X1POWER RMS 1ohm 600W x1 POWER MAX 4ohm 400W X1POWER MAX 2ohm 600W X1POWER MAX 1ohm 1200W x1 SIGNAL TO NOISE:95dBINPUT SENSITIVITY:0.2v to 6vCROSSOVER:12db oct/slopeSUBSONIC FILTER:17 to 50Hzvariable bass boost:0 to 12dB@30Hz to80Hzvariable low pass filter:40Hz to180HzRemote controllerTwo Amp linkable connection:output master/Input slave1x2 gauge power & speaker terminalsTested voltage & THD: 14,4v &Less than 1% THDWorking voltage :8.5v to 16vFUSE RATING : 50 AMPERDimension : 255x230x47mm