Sony Amplifier TA-DA9000ES. Frequency response: 20 - 20000 Hz. FM band range: 87 - 108 MHz. Power consumption (typical): 600 W, Power consumption (standby): 1 W. Weight: 28.5 kg. Power requirements: 230V; 50/60Hz, Output power (DIN): 7 x 200, Dimensions (WxDxH): 430 x 480 x 238 mm