I believe this is possible, but there is no user interface to do this yet. I think module-combine-sink may do what you are after if you are willing to get your hands dirty with pacmd.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1655386 Title: Ability to combine multiple devices into single speaker configuration To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/pulseaudio/+bug/1655386/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
