Managing Chromecast Multiroom setup from HA? : r/homeassistant
Google Chromecast Audio Adds Multi-Room Support
Google's Latest Chromecast Supports Multiroom Audio, 60fps Video - Variety
Amazon.com: WiiM Pro AirPlay 2 Receiver with Voice Remote, Chromecast Audio, Multiroom Streamer, Stream Hi-Res Audio from Spotify, Amazon Music, Tidal and More : Electronics
The Best Multi-Room Wireless Speakers
Multi-room Audio with ChromeCast Audio and Lepy (Poor man's Sonos)
Google's Chromecast adds high-res audio, multi-room play | HT Tech
Google Chromecast Music and Multi-Room Audio Setup - YouTube
How to use Chromecast for playing music in every room of your house - CNET
Instructions: Set up multi-room audio with Google Home and Chromecast | Tutonaut.de
Multi-Room Audio on Chromecast devices offer no Video -OZ
How to use Chromecast Audio multi-room group playback? - All About Chromecast
Using ChromeCast Audio Multiroom Wireless! - YouTube
Chromecast Audio Gets Multi-Room Streaming, High-Res Audio Support
Google Chromecast Audio with Multi-room Support Review (Updated) - free time
Chromecast Audio Gets Multi-Room Support - Variety