How to enable audio on Camius analog 4K AHD, CVI, and TVI camera?

The Camius FB4KAOC is an advanced 4K analog security camera that supports CVBS, AHD, CVI, and TVI modes.

This advanced security camera, unlike other manufacturers analog cameras, has a built-in microphone that allows for audio listening and recording.

You need to connect it to a compatible DVR recorder using a coaxial cable with BNC connectors. You also need to provide 12V DC power to the camera using a power adapter or a power splitter.

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If you need power supplies and splitters, you can order them here:

To enable the audio feature on the camera, you need to use a proprietary Camius audio video power cable and adjust some settings on the DVR recorder. The following article will guide you through the steps to do so.

Camius 4K analog CVBS/AHD / CVI / TVI camera [FB4KAOC] has a built-in microphone for audio listen-in and recording using the Camius DVR of R-series.

Select ‘Coaxial Audio‘ under Setup >> System >> General >> General >> Audio Input Type and click ‘Apply

TRIVAULT4K2168R audio input type

Check the ‘Audio‘ box under the DVR’s ‘Record – Encode – Mainstream.’