Microphone ON/OFF ultra long life, high anti noise light touch switch
When the microphone is on, the red working indicator light of the voice head is on
The chairman unit is equipped with the priority speech switch, which can turn off all representative units present at any time
Type: capacitive
Directivity: single directivity
Frequency response: 50hz-17000hz
Sensitivity: - 45 ± 3dB @ 1kHz
Input voltage: 18V (main unit power supply)
Minimum output impedance: 1K Ω