TLDR: AirPlay 2, introduced by Apple Inc. in 2018, is an enhanced version of the original AirPlay wireless streaming protocol. It expands on the capabilities of AirPlay by adding multi-room audio support, improved buffering, and broader compatibility with third-party devices. Designed to integrate seamlessly with the Apple ecosystem, AirPlay 2 offers users a more flexible and reliable way to stream audio, video, and screen content across compatible devices.

The hallmark feature of AirPlay 2 is its multi-room audio capability. Users can stream music simultaneously to multiple AirPlay-enabled speakers and devices, such as Apple TV, HomePod, and third-party speakers from manufacturers like Sonos and Bose. This functionality is managed through the Home app, allowing users to control playback across rooms and even group speakers for synchronized audio.

AirPlay 2 improves on streaming reliability by introducing advanced buffering techniques that minimize interruptions caused by network instability. It also supports direct playback from iCloud, ensuring that content streaming from services like Apple Music or iTunes is uninterrupted by local network performance issues. This integration enables users to enjoy high-quality audio and video experiences.

The protocol enhances user interaction by allowing simultaneous control from multiple Apple devices. For example, users can adjust playback settings from an iPhone, iPad, or Mac, and changes are reflected instantly across devices. AirPlay 2 also integrates with Siri, enabling voice control for playback and device grouping.

AirPlay 2 has expanded its compatibility to include more third-party devices, making it a versatile choice for smart homes and professional settings. It supports high-quality audio streaming, secure encryption for transmitted data, and seamless integration with HomeKit, ensuring a unified smart home experience. Whether for entertainment or productivity, AirPlay 2 continues to enhance wireless streaming within the Apple ecosystem.

https://github.com/apple

https://www.apple.com/airplay

https://en.wikipedia.org/wiki/AirPlay