It's always good to get something for nothing and Apple's AirPlay 2 should allow us finally to create multi-room audio, a la Sonos, without firing up iTunes. The iOS 11.3 Beta brings our first look and hands-on with Apple's AirPlay 2. AirPlay 2 is the first significant update to AirPlay since its introduction in 2010. Standing on the shoulders of AirPlay, AirPlay 2 provides an enhanced set of capabilities comprising: Multi-room audio, streaming to multiple devices simultaneously with tight synchronization Enhanced buffering between devices resulting in less drop-outs' Add and...
Source: https://www.gsmarena.com/airplay_2_hands_on-news-29404.php