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Sonos has cemented itself as the king of multiroom audio, but more companies are joining in on the trend, some offering features that Sonos doesn't.

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Bose recently joined in on the fun, unveiling its Lifestyle Ultra Speaker, which operates in a way that's familiar to Sonos' smart speakers. Both companies offer separately sold smart speakers that can stand on their own around the house, group together for left/right audio, or pair with a compatible soundbar to perform as rear speakers.