Purpose-built for spatial audio, the Era 300 is a phalanx of drivers ready to battle standard playback. So does it come back with its shield, or on it?
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Sonos Era 300 Review
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Sonos is betting big on spatial audio with the $450 Era 300 speaker
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Sonos Era 300 review: A game-changing spatial-audio speaker
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Sonos Era 300 review: too ahead of its time - The Verge
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