This guide will provide your with a fix for underwater/radio-ish sound with Bluetooth speaker/headphones
1. Open the Services App
Press Windows + R on your keyboard to open the Run dialog.
Type services.msc and press Enter.
2. Scroll through the list and find “Bluetooth Audio Gateway Service”.
– Right-click on it and select Stop to stop the service immediately.
– Right-click it again and choose Properties.
– Under Startup type, select Disabled from the dropdown menu.
– Click Apply, then OK.
– This change ensures the service stays disabled even after restarting your computer.
3. Restart Your Bluetooth Headphones/Speaker
Turn off your Bluetooth headphones/speaker, wait a few seconds, and then turn them back on.
Reconnect to your PC, ensure that the audio device is selected correctly and restart game (if running)