Output power: 18W + 12W x 3 Voltage: 220 to 240V AC, 50/60Hz function Frequency ... 20kHz Distortion: 0.3% at 1 Output power: 18W + 12W x 3Voltage: 220 to 240V AC, 50/60Hz functionFrequency response: 38Hz ... units: 6.5 x 1 + 3 x 6 to 1.5 inches x 3Impedance: 8ΩSize: (L) 29 x (W) 38 x (H) 36cmWe are ... with Remote Control and On/off Power Switch, Measures 29 x 38 x 36cm