Maybe a silly question but would a bluetooth headset work for LFS? (not for teamspeak, I am talking about the ingame sound).

I have a hunch that it would not work because the soundcard is effectively being bypassed but I would like to have some confirmation.

you would set the main sound output to the bluetooth device. i have done it before. it does work.

Thanks, does this compromise the sound processing compared to an onboard (realtec) audio device?

no. the sound is fine. just like a usb soundcard.

Thanks for sharing your experience!