Sonos Play:1 Product Manual page 8

6
Change surround settings
When you add your speakers as surrounds, surround sound is optimized for your room. You can adjust these
settings:
Surrounds
TV Level
Music Level
Music Playback
Balance Surround
Speakers (iOS)
On a mobile device:
Tap > Settings > Room Settings.
1.
Choose the room with the surround speakers (name includes (+LS+RS)).
2.
Select Advanced Audio > Surround Settings and change the settings.
3.
On a computer:
Select Manage > Settings (PC) or Sonos > Preferences (Mac).
1.
Select Room Settings.
2.
Choose the room with the surrounds from the Room Settings drop-down list.
3.
Select the Surrounds tab and change the settings
4.
Remove surrounds
If the speakers were part of your Sonos system before you added them as surrounds, they'll revert back to
their previous room names. Otherwise, they'll appear as Unused in Rooms.
On a mobile device:
Tap > Settings > Room Settings.
1.
Choose the room with the surround speakers (name includes (+LS+RS)) and tap Remove Surrounds.
2.
On a computer:
Select Manage > Settings (PC) or Sonos > Preferences (Mac).
1.
Select Room Settings.
2.
Choose the room with the surrounds from the Room Settings drop-down list (name includes (+LS+RS)).
3.
From the Basic tab, click Remove Surrounds.
4.
Turn surround sound On or Off.
Adjust surround volume for TV audio.
Adjust surround volume for music.
Ambient (subtle) or Full (louder, full range). 
Doesn't apply to TV audio.
Manually balance your surround speakers.
.
Product Guide