I'm trying to get all this to work together. OBS latest OSX version installed. Ishowu as a virtual device has been installed. I get input into Garageband from a Presonus Audiobox 96. Both channels show input. I'm trying to configure Garageband output to work with either a multi output device or an aggregate device in MIDI setup. I want this output to be selectable in OBS and have the mic level in this 'source' show in mic level that I have set in Mic/auxiliary in OBS. Could somebody help me with this. I'm also open to a zoom meeting. Please let me know. Thanks, TGW.