Need help with setup

[Anjan 0]

Hi! I'm looking at the following setup (diagram attached):
1. POE Camera
2. External microphone attached to POE Camera to capture audio from a group discussion
3. POE Camera to be connected to a headphone amplifier distribution, which is then connected to 10 headphones, for live listening to audio from the group discussion through Audio Out channel
4. POE Camera connected to NVR through ethernet cable for monitoring and recording

Can you suggest if this is feasible, particularly the audio part, and will it ensure better audio listening as well as recording when compared to audio from security camera.

Thanks,
Anjan