Fashionable apple design Sound & electricity integration active speaker Frequency response: 100HZ-18KHZ Outer connect PC, MP3 player and CD to play music Amplifier output power: 2W for each side, XBS BASS 10W Amplifier Input Sensitivity: í_400MV Amplifier SNR: í¦82DB Amplifier Distortion: í_0.7% Amplifier Stereo Channels Crosstalk: í¦60DB Amplifier Unit: trebleª+38MM, XBS BASSª+68MM Power voltage: 110-240V, 50/60HZ Colour: white, red and green Packing accessories: mainframe, audio line,USB line, user manual, warrenty card, certificate of approval Package: 18 sets/box Gift box dimension: 12.4cm*12cm*12.9cm Carton dimension: 49.5cm*46.5cm*30cm