You have a Sonos Beam (Gen 1) Shadow Edition.
If you are using the Sonos S2 app, you can use any of these Sonos subwoofers with your Beam:
- Sub (Gen 1)
- Sub (Gen 2)
- Sub (Gen 3)
- Sub Mini
If you are using the Sonos S2 app, you can use any of these Sonos devices as surrounds with your Beam:
- Amp
- Connect:Amp
- Era 100
- Five
- One (Gen 1)
- One (Gen 2)
- One SL
- Play:1
- Play:3
- Play:5 (Gen 2)
- SYMFONISK Bookshelf (Gen 1)
- SYMFONISK Bookshelf (Gen 2)
- SYMFONISK Floor lamp
- SYMFONISK Picture frame
- SYMFONISK Table lamp (Gen 1)
- SYMFONISK Table lamp (Gen 2)
NOTE: A Sonos home theater speaker can use two Sonos speakers of the same model as surrounds. For example, two Sonos Ones can be used for surround sound but One and Play:1 cannot. However, related models like One and One SL can be used together as surround speakers. Read more here:
https://support.sonos.com/en-us/article/surround-sound-guidelines-and-limitations