A:Answer "Create a stereo pair
You can create a stereo pair with two HomePod mini, two HomePod (1st generation), or two HomePod (2nd generation) speakers.
To create a stereo pair, both HomePod speakers need to be assigned to the same room.
In the Home app on your iOS or iPadOS device, tap a HomePod.
Tap the Settings button.
Tap Create Stereo Pair and follow the onscreen instructions."
Apple's HomePod User Guide Online.
