pa-applet

PulseAudio system tray applet with volume bar

System tray applet that allows to control some of PulseAudio's features, more specifically, the volume level of the default sink, mute or unmute it, change active profile of the default sink, which can be useful to tell PulseAudio to redirect audio to the HDMI output instead of outputting to the built-in speakers in a computer connected to an HDMI device.