... the MIC volume after been detected.8.Three line audio input, A line advanced audio input, echo, volume and circuit ... 10.Digital automatic reduce noise.A line 2.4G wireless MIC input, 11.Five line wired MIC input with 6V ... power supply, Five line wired MIC input with 6V ... be solved soon.Thanks so much!Wish you have a good time in our website, please contact us ...