https://www.asus.com/Notebooks/N550LF/
what is quad speaker array ? do all speakers of your laptop work as expected ? only pulseaudio 7.0 provide LFE filtering https://bugs.launchpad.net/ubuntu/+source/pulseaudio/+bug/1500498 but only ppa and not offically supported in 15.10 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1451170 Title: [ ASUS N550LF , Realtek ALC668, Speaker, Internal] To much sound To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1451170/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
