One choice is to use a virtual audio mixer inside your computer. One I've heard of but not used is +++ VoiceMeeter +++

Another choice is to feed the audio streams into a DAW then send the DAW audio output to OBS.


Jim Fogle - 2025 BiaB (Build 1128) RB (Build 5) - Ultra+ PAK
DAWs: Cakewalk Sonar - Standalone: Zoom MRS-8
Laptop: i3 Win 10, 8GB ram 500GB HDD
Desktop: i7 Win 11, 12GB ram 256GB SSD, 4 TB HDD
Music at: https://fogle622.wix.com/fogle622-audio-home