DNM-485 Digital Noise Sensing Microphone RS485 for IDA8DNM features high sensitivity and omni directional pick up pattern. It offers precise detection of the background noise and automatically adjusts the output level of loudspeaker to achieve the optimal intelligibility of sound. Product Features High sensitivity Omni directional pick up pattern Ambient Noise Reduction (ANR) Automatic Gain Control (AGC) Precise detection of the background noise Automatic adjustment of the speakers output level High
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DNM-485 Digital Noise Sensing Microphone RS485 for IDA8