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 Touch seeded packages, which is subscribed to pulseaudio in Ubuntu. https://bugs.launchpad.net/bugs/1655386 Title: Ability to combine multiple devices into single speaker configuration Status in pulseaudio package in Ubuntu: New Bug description: Hi, It would be very handy if we could combine multiple devices into one speaker configuration. For example if I could use my Bluetooth sound bar as rear left and right channels together with laptop's built in speakers as front left and right unto a 4.0 speaker configuration for surround sound. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/pulseaudio/+bug/1655386/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp