Fix macOS Bluetooth Sound.kmmacros (8.0 KB)
When connecting Bluetooth for sound, the quality may drop significantly because of some strange automatic microphone selection input issue, so this macro adjusts that and makes the sound full again.
This tries to set the alert sound when I run it.
Is this just setting "Input volume" for the currently-selected device to maximum? If so, try the following simple AppleScript-based macro:
Fix macOS Bluetooth Sound (AS).kmmacros (1.9 KB)
Tested against the built-in microphone, but should adjust whatever the current input is.