If you find yourself in the situation where the game switches your Audio into hands-free mode on your headset which ruins your experience and crashes your sound this is for you. Since the game forces your system into this mode I can just imagine it constantly listens to your microphone. This also applies sadly for singleplayer. Trying to deactivate hands-free mode on your headset wont help. Also uninstalling it wont help since the game then crashes the whole audio of your complete system. Long story short: you have to deactivate the service for all hands free telephony on your system. This will result und all microphones which are build in your headset not working anymore so keep that in mind.

1. Windows-key + R
2. Type in "services.msc"
3. go to "Bluetooth-Audiogateway-Service"
4. right click
5. properties
6. starttype: deactivated
7. stop it from running
8. Restart your system

Have fun enjoying the awesome soundtrack and the game.