Applies to: Reolink PoE NVR

Please kindly note that NVR only has audio output when it connects monitor via HDMI port, the resolution of the monitor/TV should be 1920*1080 or 1080*720or the NVR will not have a sound output if the monitor/TV has other resolution used.

Then please kindly refer to the steps below, check whether you have enabled the audio. 

Step 1. Go to Menu->Display->Output, make sure the audio output of the NVR is enabled like the picture below. Please check the Audio box in the picture.

audio old ui.png
Step 2. Please click on Recording on the left side menu to choose the channels for the cameras. Please make sure Record Audio box is checked as well as the picture below.
audio 2 old ui.png
If the audio icon appears on the live view screen after operating as above, that means you've enabled audio successfully.
output audio.png