1、 With halved frequency of 3 channel and 10 inch woofer. 
2、 Use high quality  loudspeaker that is produced by ourselves. 
3、 This design is for the karaoke singing, the mid-frequency is clear and 
  the bass is powerful. It is better use in the room of 30 square meter.
4、With specific protect system, standard sling mode. 

Suggestions: With KM-8000 or KM-80U E-811 KM-8100

Specifications: 
   Frequency Response    70Hz-12KHz    
   Components  Low-10"x1(Y10-2A)  Hi-3"x2(G75)  
   Impedance 6Ω 
   Peak Power 200W 
   Sensitivity 95dB 
   Dimensions(cm)  52x29x32