Chromecast Audio is dead and discontinued. Sonos is too expensive. The WiiM Mini is the true affordable streamer that does multiroom audio and more.
WiiM's Mini and Pro are the Chromecast Audio's real replacement
Reviews for WiiM Mini
WiiM Pro review: The Chromecast Audio Ultra we never got
WiiM Mini & Pro Owners & Discussion Thread - Page 2
Reviews for WiiM Mini
WiiM Pro AirPlay 2 Receiver, Chromecast Audio, WiFi
WiiM's Mini and Pro are the Chromecast Audio's real replacement
WiiM AMP review: flying high on value for money
WiiM's Mini Streamer is a Google Chromecast Audio Sound Improver
WIIM WIIMMINI WIIM MINI WIRELESS AUDIO STREAMER AIRPLAY2 SPOTIFY
WiiM Pro AirPlay 2 Receiver, Chromecast Audio, Multiroom Streamer
Reviews for WiiM Mini
WiiM Pro AirPlay 2 Receiver, Chromecast Audio, WiFi