How to Set Up & Change Desktop Audio and Mic on OBS Studio | Desktop Audio & Mic/Aux Settings how to use OBS Studio tutorial guide. If you're wondering how to change desktop audio in OBS, you should check the OBS desktop audio settings. Sometimes, OBS desktop audio is not working, which may be due to incorrect settings or system issues. If desktop audio is not working in OBS, you may need to troubleshoot the issue. To resolve this, you can try adjusting the OBS desktop audio settings or adding d