SPECIFICATIONSSFR-140008 Ohm,  Stereo Output Power2 X 2000 W RMS4 Ohm,  Stereo Output Power2 X 3000 W RMS8 Ohm,  Bridge Output Power6000 W RMSFrequency Response20Hz-20KHz ±0.5dBTHD+N (20Hz-20KHz)<0.08%Slew Rate40V/µsDamping Factor (8?, 20Hz-1KHz)400Voltage Gain (rated power @8?)40.8dBSignal to Noise Ratio>95dBCrossTalk (20-20KHz)>70dBInput Sensitivity (8?)0.775V/1.0V/1.4VInput Impedance20K? balance/ 10K? unbalanceCoolingTwo variable speed fans, rear-to-front air flowConnectors (each channel)Input: XLR Output: Speakon, connectorControlsFront: AC Switch, Ch1 and Ch2 gain knobs; Rear:Sensitivity switch, GND switch, Stereo/Parallel/Bridge switch, 30Hz Low cut switch, :clip limiter switch, 150Hz Low passswitchIndicatorsFront: STANDBY- orange LED, POWER- White LED, SIGNAL- green LED, CLIP-Red LED, PROT-Red LED; RearBridge orange LEDAmplifier Protectionshort circuit, thermal, over load, clip limiter, DC voltage, soft star, ultrasonic and RF protectionNet weight/Gross weight18Kg/22Kg