https://www.techradar.com/news/apple-homepod-now-supports-stereo-pairing-and-sonos-rivalling-multi-room

In a move that's sure to make Sonos executives start sweating, Apple has just launched an update to its HomePod speaker that allows for stereo pairing and multi-room audio support.

The free update makes use of Apple's new AirPlay 2 audio connectivity standard to allow die-hard Apple fans with the cash to buy two of the Siri-powered smart speakers to play back tunes in a traditional stereo pairing.