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
WiiM Pro AirPlay 2 Receiver, Chromecast Audio, WiFi
WIIM WIIMAMPG INTEGRATED STREAMING AMPLIFIER ALL IN ONE NETWORK
Reviews for WiiM Mini
WiiM Pro AirPlay 2 Receiver, Chromecast audio, WiFi Multiroom
WiiM Pro And Pro Plus Wireless Audio Streamer AirPlay 2 & Chromecast
WiiM Pro review: The Chromecast Audio Ultra we never got
Reviews for WiiM Mini
WIIM WIIMMINI WIIM MINI WIRELESS AUDIO STREAMER AIRPLAY2 SPOTIFY
WiiM Mini & Pro Owners & Discussion Thread - Page 2
WiiM's Mini Streamer is a Google Chromecast Audio Sound Improver
WiiM AMP review: flying high on value for money
WiiM Pro AirPlay 2 Receiver with Voice Remote
WiiM's Mini Streamer is a Google Chromecast Audio Sound Improver
WiiM Pro AirPlay 2 Receiver, Chromecast Audio, WiFi Multiroom