TRF SMD 2900.4D 24V 2958Watt RMSPOWER RMS 4ohm 400W X4POWER RMS 2ohm 635W X4POWER RMS(bridged)4ohm 1479W X2 5916Watt MAXPOWER MAX 4ohm 800W X4POWER MAX 2ohm 1270W X4POWER MAX(bridged)4ohm 2958W X2 SIGNAL TO NOISE:93dBINPUT SENSITIVITY:0.2v to 6vCROSSOVER:12db oct/slope4 channel operation4/3/2 channel operationSelectable FULL/HPF/LPF crossovers CH1/2variable low pass filter:20Hz to 600Hzvariable HI pass filter:20Hz to 600HzSelectable HPF/LPFcrossovers CH3/4variable bass boost:0 to 12dBvariable low pass filter:20Hz to 600Hzvariable HI pass filter:20Hz to 600Hz1x6 gauge power & speaker terminalsFUSE : 220AMPLED power (green) and protect (red) indicator lightsTested voltage & THD: 14,4v &Less than 1% THDWorking voltage :8.5v to 15vDimension : 308x218x60mm