Model: PA-500DC Power output 500W/20Ω Speaker output 100V Frequency Response: 80Hz-18KHz(±3dB) Input Sensitivity: ±775mv Input Impedance: 20KΩ Damping Factor: >450 S/N Ratio: >80dB Working voltage: 80-260V,50/60Hz Input Connector: 1xXLR female Ouput Connector: 2-pin.terminal blocks Dimensions(WxDxH): 482x265x44mm,1U Weight: 3.2kg