... dBFrequency response:50Hz-150Hz, 120Hz-18KHzDistortion@ REF:<=1%Speaker Unit:Satellite:3"*2Subwoofer:5.25"Product ... 4Loading Qty(sets)-20'G/40'G/40'H:640/1260/1572Description:1. 2.1 home theater with built ... , LED display2. volume, bass, treble control3. 2.1 home theater adapts to computer, laptop, DVD, VCD, ... TV, mobile phone and other audio input4. 2.1 home theater with FC, CE certificates Accessaries:3 ...