You can connect all Sonos product together via WiFi in the Sonos app. That way, you can easily make a multi-room setup. You can enjoy the same music in different rooms this way or put on a different number per room. You can expand your Sonos soundbar with a subwoofer and rear speakers. With a subwoofer, you can enjoy deep bass, so your movies and series sound more lively. Thanks to the rear speakers, you also hear sound from the back. That way, it feels like you're in the middle of the movie or series.