I couldn't quickly find a detailed breakdown, but here's a basic one: - Airplay doesn't offer multi-room audio; AirPlay 2 does - AirPlay lets you stream from

I couldn't quickly find a detailed breakdown, but here's a basic one: - Airplay doesn't offer multi-room audio; AirPlay 2 does - AirPlay lets you stream from any Apple device to your speakers or TV - AirPlay 2 lets you play from speakers over Wi-Fi, and it'll stay in sync - AirPlay 2 lets play different songs in different rooms with multiple HomePods If memory serves, the original AirPlay had much simpler goals. Stream music from a single computer to a speaker over a local network. So it has concessions like a constant 2 second lag, which happens if you press pause/play. I vaguely remember other weird restrictions when playing with it in the past (like one device at a time had to control a speaker). AirPlay2 is a lot more complex adding the features mentioned above and better handling the use-cases original AirPlay grew into. https://www.pocket-lint.com/speakers/news/apple/144646-apple-airplay-2-vs-airplay-what-s-the-difference https://www.pocket-lint.com/speakers/news/apple/144646-apple...