# pamixer > A simple command-line mixer for PulseAudio. > More information: . - List all sinks and sources with their corresponding IDs: `pamixer --list-sinks --list-sources` - Set the volume to 75% on the default sink: `pamixer --set-volume {{75}}` - Toggle mute on a sink other than the default: `pamixer --toggle-mute --sink {{ID}}` - Increase the volume on default sink by 5%: `pamixer --increase {{5}}` - Decrease the volume on a source by 5%: `pamixer --decrease {{5}} --source {{ID}}` - Use the allow boost option to increase, decrease, or set the volume above 100%: `pamixer --set-volume {{105}} --allow-boost` - Mute the default sink (use `--unmute` instead to unmute): `pamixer --mute`