I teach guitar online, and would like change my setup. Currently, I have a Presonus 192 with an AKG 414, and I use Jitsi for the video conference.

I would like to expand this and use several channels in my audio stream: the mic, plus the output of a Fractal FM9.
The thing is: I would like to do all this under Linux.

My problem: the Studio 192 does not have Linux support, I don't seem to be able to control more than input 1 of this interface in Linux.

Can anyone suggest hard- or software changes to my setup, so I can have several audio channels and send them to Jitsi? Thank you!