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shows a new pair of wireless headphones is in development, carrying the model number S52A.
A diagram submitted as part of the filing depicts what appears to be an ear cup, labeled "Sonos Ace Ultra." The name does not appear elsewhere in the documents, which is the tension at the center of this story: the filing confirms a product exists; it does not confirm a final brand.
What the documents reveal The filing was first reported by What Hi-Fi? The submitted documents include the S52A model number, the single "Ace Ultra" reference on that diagram, and color options for the headphones.
The filing does not specify what those colors are. The naming scheme tracks a pattern Sonos has already established. The company released the Arc soundbar and followed it with the Arc Ultra.
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