This is Mac only. iOS does not allow it. See Vox on Mac vs iPhone.
Selecting it
1
Make sure your device is connected
Open Vox and check the connection state.
2
Open the other app's audio settings
Look for Input, Microphone, or Audio source.
3
Choose Vox
TODO: confirm the exact name that appears in the device list, and use that exact
string here. People search for the string they see.
Where you will find the setting
Troubleshooting
Vox does not appear in the list
Vox does not appear in the list
macOS caches audio drivers aggressively. Quit and reopen the app that is missing
it. If it is still missing, restart the Mac.
It appears but there is no sound
It appears but there is no sound
Check that the device is connected in Vox, and that the app has microphone
permission in System Settings, then Privacy and Security, then Microphone.
The audio is quiet or distorted
The audio is quiet or distorted
TODO
It worked, then stopped after an update
It worked, then stopped after an update
TODO: this is a known shape of problem with audio drivers. Say what to do.