Transform your existing Hi-Fi systems into smart speakers by simply plugging in Chromecast Audio dongles. Setup is straightforward, and once connected, you can stream audio from your mobile device or even locally saved music from your desktop directly to your speakers.
One standout feature is the ability to group multiple speakers into zones for seamless multi-room audio. For instance, link your living room and kitchen speakers so music follows you effortlessly from room to room.

As a tech enthusiast who's set up countless multi-room audio systems, I can confirm this process is quick and reliable. Follow these steps in the Google Home app:
Key tips: All grouped speakers must be on the same Wi-Fi network, and no speaker can belong to multiple groups at once.