? 2 A/B-bridgeable channels;? Inputs: electronic balanced, barrier strip, XLR & TRS 1/4;? Speaker terminal: speakON(R) connectors for channel A, channel B & bridge; binding post ;? 2-speed DC cooling fan, air flow back to front;? 110V-220V switchable ;? 2 x 5 LED indicator red, DDT/clipping; yellow, signal; green, power;? Features overload & protection indicator ;? Signal-to-noise ratio: 102dB ;? Distortion: 1% ;? Freq resp: 20Hz-20kHz > +/-.5dB;? Input imp: balance 20kHz ;? Input level: +4dB;? 1,000W;