Delivering richer and more robust sound along with deeper bass over the Play:1, the Play:3 is capable of both Stereo and Mono, just by simply changing the orientation from Horizontal to Vertical. Regardless of whether you're much of an audiophile or not, you deserve great audio, the Play 3 is the speaker to deliver this. Regular software updates TruePlay If you own an iOS device then you can set-up TruePlay, this will analyse your room and factor in the size, layout, dcor and where the speaker is located, all of these will affect how you hear your music. Holding your device up whilst the TruePlay and walking around with it as instructed by the app's process will scan your room in order to adjust the woofer and tweeters the perfect amount to give the best sound for your room. If you move your Sonos speaker, it is recommended to retune the TruePlay, as the acoustics can become ruined and the speaker would need to readjust the angles of the sound output, TruePlay only takes a couple minutes to tune, so it is worth the enhanced sound! Sonos App With the free Sonos App you can access all of your favourite music from all of your services at one, from Apple Music, Spotify and Deezer to Amazon Music, Soundcloud and Google Play, everything is at your fingertips. Use the single search bar to search through all of your libraries across all your music services, for an easier way to find your music, the app will also let you search for various radio stations if you can't think of a specific song or just want to find something new to listen to. Sonos App will also let you group up other Sonos speakers you may have, including the Play:1 and the Play:5 or choose to play them individually, each speaker can be playing a completely different song to another, or they can all work in unison to bring your house together. ?