Power supply:230 V AC, 50 Hz ~Power consumption:7 WInput impedance:45.1 kohmsMax. input level:9 dBOutput level:22 dBOutput impedance:125 ohmsMax. gain:15 dBDistortion:0,2 %S/N ratio:69 dBDimensions (WxDxH):482 x 126 x 44 mmWeight:2.3 kgShipping weight:2.70 kg