Harman/Kardon GO + PLAY. RMS rated power: 60 W, Frequency response: 40 - 20000 Hz, Impedance: 10 Ом. Input voltage: 100 - 240 V, Input frequency: 50/60 Hz. Weight: 3.9 kg. Compatible products: iPod, Speaker power: 30 W, Dimensions (WxDxH): 230 x 508 x 240 mm