I have a Reolink NVR and Reolink cameras. Can I use Reolink two-way audio function on the NVR? Answering this question, consider the following 3 points, only if all 3 points are satisfied can the two-way audio function be supported on the NVR.

  1. The camera itself supports two-way audio function.
  2. The NVR supports two-way audio function.
  3. The camera supports being added to the NVR for use.

Reolink Camera Compatibility with Two-Way Audio

You can check the specifications table on the product page when purchasing the camera, or you can refer to Which Reolink Cameras Support Two-Way Audio to find out which models support two-way audio function. Note that cameras with two-way audio functionality have speaker, so they also support siren.

Reolink NVR Compatibility with Two-Way Audio

Model Hardware Version Two-way audio Audio Input Audio Output

RLN8-410

RLN16-410

 H3MB18/N2MB02/N3MB01/N6MB01/N7MB01 √ × √
H3MB02/H3MB16 × × √
RLN36 N5MB01 √ √ √
RLN12W NVR_NNT3NA58W_E/NVR_NNT3NA58W_U √ × √

You could use the Two-way audio function on your Reolink Client/App. For the RLN36 NVR (N5MB01), it can also support the 2-way audio function via the NVR itself while a microphone and speaker are plugged in the AUDIO IN and AUDIO OUT ports of the RLN36 NVR.

Compatibility between Reolink Camera and NVR

This article introduces whether your camera supports being added to an NVR: Introduction to Hardware Versions of Reolink NVRs

 

If you've confirmed that all three conditions are met but still cannot use the two-way audio function on your NVR, please ensure that your NVR is updated to the latest firmware available on the Download Center – Reolink.

 

Here are some instructions of using Two-way audio on Reolink software:

How to Enable Two-Way Audio on Reolink Client

Enable Two-way Audio via Reolink App