When Sonos debuted its first soundbar, the $699 Playbar in 2013, it received well-deserved praise. As a dead-simple, but somewhat pricey way to give your TV a massive audio upgrade, it succeeded on just about all but one front: The decision on Sonos’ part to equip the Playbar with a single optical input meant the Playbar would forever be locked out of the expanding world of surround formats like Dolby Digital Plus, Dolby TrueHD, and Dolby Atmos — something reviewers noted at the time as a drawback to an otherwise superb product. Seven years later, Sonos has returned to the full-size home theater soundbar arena with the $799 Arc, a Dolby Atmos-capable speaker that shows off everything the company has learned since the Playbar’s debut.
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