This time i will share, for solved there are 2 audio volume. This problem show after i upgrade slackware system on my notebook, this show like twice audio volume. But the difference its audio volume interface not same, which one from kmix and only pulse audio volume control.
I think if you KDE fans, should be know yet. In previously, i trying to hidden tray icon with tray setting on KDE panel but if hidden look less fit for me.
Okay for fix the problem, first go to system tray setting. After opened, uncheck or untick audio volume. For more details, you can view screenshot this below:
After show system tray settings, untick Audio Volume:
So these tutorial about Tray Icon Audio Volume Plasma 5, if you want to ask or add some suggestion for this article you can contact me via Google Plus or My Official Account Twitter.
Note: now can remove kmix, using removepkg kmix because now can run without kmix.