[06:59] <lubuntu> ian__
 I dont think this helps, when i plug in headphones, speakers become inactive there... (re @Halis: Does this help you? (İ did not test)
 https://manual.lubuntu.me/stable/2/2.5/2.5.2/pulseaudio_volume_control.html)
 Oh, İ did not know. But can not you active them there again?
 @tbs