This two-channel rack-mountable amp's got power - 1000 watts! Each input takes XLR or ?" plugs. Control each channel with an illuminated knob. A clipping LED reminds you to turn it down if your signal is distorted. Use in stereo, mono, or bridge mode for maximum output. Connect your speakers using the two Speakon inputs, or use the shock-free banana plugs on the back. The heavy duty fan with aluminum heat sink and protection circuit guards your equipment for optimum performance. Two Channels A/B- BridgeableInputs: Electronic Balanced; Barrier Strip ,XLR,TRS 1/4"Speaker Terminal: Speakons for Ch A, Ch B and Bridge; Binding postCooling Fan Two-speed DC fan, air Flow back to front110/220 Volt Switchable2x5 LED Indicator Red ,DDT / Clipping; Yellow, signal; Green ,powerOverload and Protection IndicatorSignal/Noise ratio: = 102dBDistortion: = 1.0%Frequency response: 20Hz-20 KHz >? 0.5dBinput impedance: balance 20KhzInput level:+4dBMax Power 1200 WattsSold as : UnitItem Dimensions: 12.80" x 21.00" x 6.50"Item Weight: 15.29lbs