1.It has USB、SD player and Silent function.

2.This model has howling off function key.when it is turned on, it can avoid
  the howling from microphone. The echo of this model is liveness and sense
  of reality. And also it can connect to other Reverb.

3 .There are dual tone quality regulatory function and three microphone input
  in this model.

4.It has high quality digit IC form Mitsubishi.

5.It uses high classes electronic circuit in the main channel, it makes the crossover distortion and the transient distortion very low, and uses high current output design, so the treble form this amplifier is very clearness and the bass is powerful.

Specifications:
 
   Output power： 280W+280W 
   Frequency Response： 80Hz-13KHz±3dB 
   Signal to Noise Ratio： ≤76dB<A standard> 
   Separation： 30dB<A standard> 
   T.H.D： ≤0.2%  
   Power Requirements： AC220V/50Hz 
   Net Weight：    10.4 Kg 
   Size(mm)：  420(L)x128(H)x330(W)