2 A/B-bridgeable channels; Inputs: electronic balanced, barrier strip, XLR & TRS 1/4″; Bluetooth(R) range up to 30ft.; 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; Overload & protection indicator ; Signal-to-noise ratio: 102dB ; Distortion: 1% ; Freq resp: 20Hz-20kHz > +/-.5dB; Input imp: balance 20kHz ; Input level: +4dB; Rack mountable; 110V/220V switchable; 1,000W;