Includes two wall mounts that are compatible with the Sonos Era 100 speakers Low-profile design blends into the wall but ensures that the ports and controls remain accessible Wall mounts decrease acoustic reflections and reduce vibrations Two-inch (51mm) wall clearance for connecting Sonos Line-In adapter or Combo adapter Flexible wall mounts let you set the speaker in an inverted position and support multiple angles ranging from 15 degrees up or down and left or right