When it comes to wireless multi-room speaker systems, Sonos has reigned king for some time. And while it still wears the crown, a number of audio companies have taken notice and mimicked Sonos to a tee — Bose SoundTouch, Yamaha MusicCast, Bowers & Wilkins’ Formation and Denon’s HEOS are all examples. While excellent solutions, they’re limited (like Sonos) because they only allow you to group certain speakers together. You can’t group Sonos speakers and Bose speakers in the same multi-room system, for example.
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https://gearpatrol.com/2019/08/22/best-wireless-multiroom-speakers/