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What is Sonos’ Sound Motion technology?

The Sound Motion technology inside of Sonos' Arc Ultra soundbar is a big boost for sound quality. Here's how it works.

Sound Motion is a flat, brick-like driver where the motors are positioned at the sides and the membrane in the middle, allowing a greater range of movement for twice as much bass as the first Arc, by Sonos’ calculations. That difference is immediately apparent when you play some thumping, chaotic rock tunes from Better Lovers or Kaytranada’s electronic hip-hip, as I experienced first-hand during my review of the Arc Ultra. Additionally, the company’s most compact soundbar, the Ray, would be a much more compelling product for small spaces if it didn’t immediately require a separate subwoofer for adequate bass performance.

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