My desk is offcenter between the left and right speakers (which are on my wall) and therefore I adjust audio balance so that I can hear both speakers. The only way I've found to do this in KDE is with the kmix applet; it appears to have been removed elsewhere, which is unfortunately, since it's readily available in both gnome and unity. Like gnome and unity however, the audio balance is not persisted. As soon as I reboot the system, the audio balance is reset, and I have to make the change right after logging in. Reproducible: Always