I've submitted an upstream MR here based on the OP's fix with some slight edits based on my tseting: https://gitlab.freedesktop.org/pulseaudio/pulseaudio/-/merge_requests/286
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1821494 Title: Sennheiser GSX 1000/1200: only one subdevice exposed by Pulse & incorrect channel mapping To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/pulseaudio/+bug/1821494/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs