Skytronics 952.969 Mixer Amplifier 4 Channel 60 W. Frequency response: 100 - 12000 Hz, Maximum input power: 42 W, RMS rated power: 60 W. Depth: 230 mm, Height: 88 mm, Weight: 7.5 kg. Power requirements: 230 Vac, 50 Hz, Dimensions (WxDxH): 425 x 230 x 88 mm, Output power: 70 W