1: Total volume of reverberation: Echo or Echovol. This knob can control the direct sound of the reverberation echo, that is, the entire reverberation effect is more and less! Note: In conjunction with this function, there are two functional knobs-Repeat (the length of repetition of the reverberation), delay (the knob can adjust the length of the echo echo to extend the time). No, otherwise the effect is not satisfactory. If you want to debug out the more satisfactory effect, you must adjust the 3 knobs together, repeatedly feel!

2: Total volume of the microphone: Micvol this knob can control the volume of all microphones. Note: There are 3 tube barrel volume control knobs below the total volume of the microphone, which can control the volume of each microphone separately: MIC1 (microphone 1 volume) MIC2 (microphone 2 volume) MIC3 (microphone 3 volume)

3: Total music volume: Musicvol This knob can control the volume of computer accompaniment, adjusting the knob can realize the sound of the song sound

4: sound quality control: Micbass