Instructional video on how to connect a covert or normal microphone to an existing CCTV system DVR or NVR with audio input.
Using the '20m Covert Audio Surveillance Kit connect to DVR or Standalone Covert Microphone' from Netview CCTV
available to purchase here:
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Негізгі бет How to connect a Microphone add Audio to a DVR NVR with audio connectors
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