If you have a 5.1 speaker set, try changing the audio profile in use from the volume control preferences, under the hardware tab. If this doesn't help, try opening alsamixer in a terminal, and adjusting the LFE channel volume.
affects ubuntu/alsa-utils status incomplete ** Changed in: alsa-utils (Ubuntu) Status: New => Incomplete -- Subwoofer does not work https://bugs.launchpad.net/bugs/461423 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs