Many of you will have noticed another update from Sonos. This update now allows their TruePlay feature to acoustically set up your Playbar, Sub and, if you have them, your Sonos surround speakers. TruePlay allows you to equalize your Sonos speakers to the acoustics of your room. TruePlay can make an amazing difference in the sound of your Sonos system. Just apply the update on your phone, iPad, Tablet, etc and follow their easy instructions.