Chromecast Audio (Google Cast)
Google Cast (formerly Chromecast Audio) is Google's wireless audio streaming protocol. Casts from Android, Chrome browser, and cast-enabled apps to compatible speakers over Wi-Fi. Lower quality than AirPlay 2 in practice but wider Android integration.
Google Cast (the protocol formerly branded “Chromecast Audio”) lets you stream audio from any cast-enabled app or Chrome browser tab to compatible speakers over Wi-Fi. Similar concept to AirPlay 2 but from the Google/Android ecosystem.
Supported apps
Spotify, YouTube Music, Pandora, Tidal, most Android media apps, Chrome browser tabs.
Quality
Streams up to 24-bit / 96 kHz depending on app and receiver. In practice most apps stream lower (Spotify Connect over Cast is 320 kbps Ogg Vorbis).
Where you’ll find it
Fosi Audio S3 supports Google Cast alongside AirPlay 2 and Spotify Connect.
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