* Connecting computer, CD player and MP3 player etc.            

* Signal-to-noise: ≥75dB          

* Support USB/CARD READER/FM              

* Speaker unit: woofer 4inch, satellites 2inch 

* Frequency response: 30Hz---18KHz

* Input sensitivity: 450mV       

* Output power: 3W*2 + 6W       

* Power supply: AC220V(±10%) 50Hz / AC110V 60Hz

* Color : black with blue light 

optional      

l       woofer is wooden box

l       * Product size :                

=> 128*199*128MM (woofer)