5.1ch PASSIVE wooden speakers  
Colour: Red & Black  
Power ouput(RMS):  : 15W(60W+18W*5)
Frequency response:  
45HZ~20KHZ(Front)
45HZ~200HZ(Subwoofer)
90HZ~20KHZ(Centre& Surround)
THD<10%  
S/N Ratio: >76DB  
Drive Unite: 3.5" *2+1" +8" (Front)  
4" *2+1" (Centre)  
4" +1" (Rear)  
8" (Subwoofer)