pamixer
A simple command-line mixer for PulseAudio. tldr-pages
On several platforms
Several platforms
List all sinks and sources with their corresponding IDs
pamixer --list-sinks --list-sourcesIdentifySet the volume to 75% on the default sink
pamixer --set-volume 75IdentifyToggle mute on a sink other than the default
pamixer --toggle-mute --sink sink_idIdentifyIncrease the volume on default sink by 5%
pamixer --increase 5IdentifyDecrease the volume on a source by 5%
pamixer --decrease 5 --source source_idIdentifyUse the allow boost option to increase, decrease, or set the volume above 100%
pamixer --set-volume 105 --allow-boostIdentifyMute the default sink (use --unmute instead to unmute)
pamixer --muteIdentify