Despite a lot of Behringer devices functioning on Linux, they typically shy away from claiming Linux compatibility. The "FLOW 8" was released earlier this year, and on their product page it states:
"All Input signals and the Main stereo mix can be sent to audio applications on a Mac-, Windows- or Linux-based system for recording, editing or streaming."
There is also a download called "SimplyPUT (Linux) Update-Tool", which I assume is used to update the firmware. I wasn't aware of this device, and since they are providing official Linux support, I thought others may be interested.
https://www.behringer.com/behringer/pro ... Code=P0DNM
Behringer FLOW 8
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