Sonos's first over-ear headphones, launched in 2024, featuring spatial audio and the ability to swap playback with select Sonos soundbars.
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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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.
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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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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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