The filing includes diagrams depicting an oval ear cup design and reveals a palette of five distinct colorways: greige, shadow black, agave, blush, and sand. This departure from the standard black and white finishes of previous models suggests a push toward lifestyle-oriented hardware. Beyond aesthetics, the technical documentation notes testing for 2.4GHz and 5GHz local network bands, hinting at either upgraded TV-swapping capabilities or the integration of direct Wi-Fi music streaming.
Sonos Prepares Ace Ultra Launch as FCC Filings Reveal New Colors
A new pair of Sonos wireless headphones is nearing release, following a fresh FCC filing that identifies the device as model S52A. Documentation surfaced by the regulatory body suggests the product will carry the moniker Sonos Ace Ultra, signaling a potential expansion of the company’s premium audio lineup this fall.

This upcoming launch follows a tumultuous period for the company, marked by the problematic rollout of a redesigned app that coincided with the original Ace release. While the previous iteration earned praise for its comfort and active noise cancellation, it struggled to outpace established competitors like the Sony WH-1000XM5 and Sennheiser Momentum 4. Sonos CEO Tom Conrad previously alluded to new hardware during a third-quarter earnings call, and the S52A’s appearance in regulatory databases confirms that the company is moving forward with an iterative, potentially more ambitious successor.



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