Sonos's premium wireless headphone, a successor to the Ace, priced at $449 and able to stream music directly from other Sonos speakers over Wi-Fi.
Sonos's $449 Ace Ultra can move music from any Sonos speaker to the headphones and back over Wi-Fi, something the original Ace, now $349, could not do. For households that play music in several Sonos rooms, that handoff is most of what the extra $100 buys.
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Bose's second-generation QuietComfort Headphones run 24 hours with noise cancelling, 11 fewer than Nothing and Sonos rivals, Wired's review found. For travellers who take calls on the road, that gap and poor call audio now offset a lighter, quieter headset.
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The software now has a name and a year attached, Sonos 27, plus an AI voice assistant and an MCP port that lets outside agents drive the system. The hardware arrives in September 2026 to prove it works.
Perspective Coverage
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Gizmodo's reviewer put the $449 Ace Ultra's sound behind Sony's $460 XM6 and a notch under Bose at the same money, which leaves the new Wi-Fi handoff to Sonos speakers as the case for buying it.
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Two years after the app rewrite that Thurrott calls Sonosgate, Sonos wants $699 for a soundbar and $449 for headphones, and the most convincing part of the pitch is the free update that lands three weeks earlier.
Perspective Coverage
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The Ace Ultra's obvious upgrades sit in the microphone array and the 44mm driver, but the feature that needed a new chip is Headphone Linking, and it only earns its keep in a house that already runs several Sonos speakers.
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In a demo TechRadar watched, a carried pair of Play speakers joined a Beam Ultra over an ultrasonic handshake with nobody touching the app, which moves the truth about your setup out of software and onto the furniture.
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Sonos 27 arrives with third-party agent control and a stated wish to be transparent about limits, while the per-product compatibility list that would let owners judge whether any of it reaches their speakers waits for a later date.
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Sonos's own assistant gets a season and its custom agents get 2027, while the endpoint any outside model can call gets a firm date and the widest hardware coverage of anything announced in New York.
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Filings for Ace Ultra headphones and a Beam successor are documents you can read. The assistant meant to make them matter is still a line from an earnings call.
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