do you mean 5.1/7.1 or you have 2.1 or 4.1 speakers ?
https://wiki.ubuntu.com/Audio/AlsaInfo do your driver have a volume control for the subwoofer ? https://wiki.ubuntu.com/PulseAudio/Log ** Changed in: pulseaudio (Ubuntu) Status: Confirmed => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1194457 Title: Subwoofer and whole volume controls are linked To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/pulseaudio/+bug/1194457/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
