Arc Ultra is the sleekest and most powerful soundbar Sonos has ever created. With an all-new acoustic architecture powered by 14 Sonos-engineered drivers and advanced technologies like Sound Motion, Arc Ultra fills every inch of the room and precisely places sounds all around you for an entertainment experience that feels out of this world. Experience clearer dialogue, deeper bass, and more detailed sound that precisely surrounds you from every direction — all in an unbelievably sleek design. Dolby Atmos takes immersion to a whole new dimension, creating a 9.1.4 spatial audio experience.1 An advanced version of Speech Enhancement gives you greater control over dialogue clarity so you never miss a word.