Change the volume, mutes, or listen to individual audio streams added to the Switcher event. 

1. You can get detailed information about the audio stream and the health quality by hovering over the button

2. Use headphone button to listen to a single stream

3. This is the volume used for all scenes where audio is active.

4. The audio stream is muted

5. Listen to the personal monitor mix, a local audio mix. Set the volume meters differently.
6.  Add audio-only stream