Sonos S1 Controller lets you control many of the first Sonos products on your mobile device.

Once you've opened up Sonos S1 Controller for the first time, you'll be asked to link your Sonos products to the application. Users will able to link products like the Zone players and Connect:Amp.

After you've connected your Sonos products, you'll be able to access them whenever you're near them. You can push music to your products through popular streaming services like Apple Music and Spotify.

In all, Sonos S1 Controller is an essential application for anyone who bought some of the earlier products from Sonos.