Created attachment 7065 screenshot pacmd shows at least these names: > $ pacmd list-sinks | grep -e 'name:' -e 'index' > index: 0 > name: <oss_output.dsp0> > index: 1 > name: <oss_output.dsp1> > index: 2 > name: <oss_output.dsp2> > * index: 3 > name: <oss_output.dsp3> > index: 4 > name: <oss_output.dsp4> > index: 5 > name: <oss_output.dsp5> Found on FreeBSD 11.
The GUI you show is not part of the xfce4-pulseaudio-plugin (the plugin only handles the volume keys and the small xfce volume menu). You're looking for the Pavucontrol GUI, which is part of Pulseaudio.
I see, sorry!
Thank you!