sonos volume
Controls RenderingControl volume on the group coordinator (0–100). For whole-group volume, see sonos group volume.
#Synopsis
sonos volume get --name "<Room>"
sonos volume set --name "<Room>" <0-100>
#Examples
sonos volume get --name "Kitchen"
sonos volume set --name "Kitchen" 25
sonos volume set --name "Kitchen" 0 # softest
sonos volume set --name "Kitchen" 100 # loudest
# Per-room ramp
for v in 5 10 15 20; do sonos volume set --name "Kitchen" $v; sleep 1; done
#Per-room vs group
sonos volume— sets one room's volume; other rooms in the same group are unaffected.sonos group volume— sets the group fader, which proportionally scales every member.
If you have a single ungrouped room, the two commands are equivalent.