All Chromecasts can now be used for multi-room audio - FlatpanelsHD
Chromecast Audio review: Give your old speakers a new brain | Engadget
How to use Chromecast for playing music in every room of your house - CNET
Chromecast Audio Review - Multi Room Audio with Google Home - YouTube
Google Chromecast Audio Review | PCMag
Google Home multi-room music setup explained: Nest, Chromecast and more
Multi-Room Audio on Chromecast devices offer no Video -OZ
Chromecast Audio Gets Multi-Room Streaming, High-Res Audio Support
Using ChromeCast Audio Multiroom Wireless! - YouTube
Google Home multi-room music setup explained: Nest, Chromecast and more
Amazon.com: WiiM Pro AirPlay 2 Receiver, Chromecast Audio, WiFi Multiroom Streamer, Compatible with Alexa, Siri and Google Assistant, Stream Hi-Res Audio from Spotify, Amazon Music, Tidal and More : Electronics
Chromecast Audio adds support for multiroom music and high-res files - CNET
Going Wireless with Google's Chromecast Audio | Sound & Vision
Google updates Chromecast Audio with multi-room support, hi-res audio playback – GeekWire
Google Chromecast Audio Adds Multi-Room Support | PCMag
Hands-on with Google's new Chromecast Audio $35 streaming dongle
Chromecast Audio Gets Multi-Room Support - Variety
Multi-Room Audio Group Setup for Google Home and Chromecast Audio - YouTube
Amazon.com: WiiM Pro AirPlay 2 Receiver, Chromecast Audio, WiFi Multiroom Streamer, Compatible with Alexa, Siri and Google Assistant, Stream Hi-Res Audio from Spotify, Amazon Music, Tidal and More : Electronics
Older Chromecast models will also get multi-room audio – Homecinema Magazine
Marshall's updated speaker line packs Chromecast and multiroom audio
How to create a multi-room audio setup with Chromecast Audio
Multi-Room Audio Comes to Chromecast Video, Google Home, and Smart Display Devices - Thurrott.com
Google Chromecast Audio review: take your speakers online for £30 | Google | The Guardian