KA-1020A Output Power:2 X 180W(8Ω) 2 X 200W(4Ω) Frequency Response: 20Hz-20KHz?dB Input Sensitivity: 250mv SNR: 85dB Distortion: <0.5% Power Voltage: 220~240V/50~60Hz Height X Width X Depth: 130 X 380 X 420 mm Weight：10Kg