1. With 15 kinds of DSP effect variety be changed, it can be adjusted automatically
  according to the client’s demand. 
2.  4 channel microphone input and 5 band equalizer, it is so easy for adjusting music
  tone and volume.
3. It can use left-right balance input, RCA and MIC input and two kinds of balance input.
  So this model can use for a hi-fi preamplifier and connect to the music signal input.
4. Particular microphone audio frequency function
5. Microphone`s signal channel and the music signal are  adjusted independently

Specifications:
   General harmonic distortion       ≤0.05%1KHz
   Delay time                     15 kind DSP effect
   Output impedance           1k
   Input impedance             20K （Unbalance）
   Dynamic range               105db
   SNR                              ＞80db（A Count right）
   Separation                     100db
   Bass frequence               100Hz±10db
   treble frequence              10KHz±10db
   Frequency response         20HZ-25KHz±3db
   Consumed power             10w