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In this guide
On Sonos's British store the Ace Ultra is £399 and the older Ace £349, so the step up is £50, about 14% on the older price.
Sending television sound to the headphones is not part of that £50. Sonos's own listing for the older Ace already advertises TV Audio Swap, with the Content Key moving the soundbar's audio to the headphones, so a household that wants the film without waking anyone can have it at £349. What the money buys is a longer rated day — up to 35 hours with ANC on against 30 — and a microphone count that rises from eight to ten. Bluetooth steps from 5.4 to 6.0. Its battery can be replaced with a £25 kit, where the older page lists only replaceable cushions.
Two British details change what that £50 is worth after the order. The terms give two years of commercial warranty on top of statutory rights, and the £399 is the price a British buyer pays: UK price-marking rules define the selling price shown to consumers as including VAT.
Our verdict
At £399 the Ace Ultra justifies the £50 step only when your Sonos system already has a product on the headphone-linking list; Britain's two-year cover and free delivery make that £50 easier to spend.
- A good fit for
- Someone in Britain whose Sonos system has a speaker or soundbar on the linking list, who wants music to move between it and their ears, and would rather replace a worn battery than the pair.
- We would skip it if
- Skip it if nothing on the linking list is in your Sonos system, or you only need a quiet Bluetooth pair: the £349 Ace already swaps TV audio and runs 30 hours.
Reasons to consider it
- £399 on the British store on 9 November 2026, all four colours in stock and no promotional price printed beside it. The black unit is ACEULWW1BLK.
- Two years of commercial warranty in the British terms, given irrespective of where the headphones were bought and in addition to the rights a consumer holds by law.
- ANC listening is rated at up to 35 hours at moderate volume with the same 1060 mAh cell the cheaper pair uses; the older figure is 30.
The compromises
- The £349 Ace's own listing already advertises TV Audio Swap, so none of that handoff is what the £50 buys.
- With a second pair connected, head tracking switches off until one pair leaves; the swap also needs the television on and playing through the bar.
- The swappable parts carry their own bill, £39 for a set of cushions and £25 for the battery kit, and Sonos says the battery swap needs disassembly and tools.
What we have not verified: Headphone linking sits in Early Access and can change or be limited, and nothing read says when, or whether, it leaves that state. The battery kit page warns of disassembly and tools, while the British terms leave the warranty's conditions to a separate agreement, so whether fitting the kit yourself touches the two years is unread. No reading compares the £349 Ace with the Ultra in one room; the 2x ANC figure is a 65 Hz footnote and nothing more.
The things in this guide
A closer look at the products, who they may suit, and what to check before buying.
Sonos Ace Ultra
£399 on the British store on 9 November 2026, all four colours in stock and no promotional price printed. The British terms give two years of commercial cover irrespective of where the pair was bought, with free delivery and 30-day returns on the page. ANC listening is rated at up to 35 hours against the older Ace's 30.
Before you buy: The older £349 Ace already swaps TV audio, and the Wi-Fi linking is Early Access opt-in that can change or go temporarily quiet. Replacement cushions are £39 a set and the battery kit £25, and the battery swap needs disassembly and tools.
Price checked 9 November 2026. Retailer prices can change.£399 against £349 on one British store
£399 and £349 stood on the same British store on 9 November 2026: the Ultra in four colours, the older Ace in Black and Soft White, all in stock and no promotional price printed against either. The black Ace Ultra is ACEULWW1BLK, the white ACEULWW1, not the ACEULUS1 codes of the North American stores. The step is £50 on £349, about 14%.
A gap that small is easy to wave through. The television handoff is not among the things it pays for: the older pair's page already carries it.
What the extra fifty changes, and what it leaves alone
Open the older Ace's page and the swap is already there: 'Instantly swap TV audio from Sonos Arc Ultra, Arc, Beam, or Ray to Sonos Ace'. The specification block underneath spells out the mechanism: a press of the Content Key moves the soundbar's audio to the headphones. Neither the Ultra nor its price invented that trick, so anyone paying £50 for a way to watch television quietly at night is paying for something the £349 pair does too.
The changes that do show up are quieter, and one is easy to overread. The page's 'Up to 2x more Active Noise Cancellation than Sonos Ace' is footnoted to frequencies up to 65 Hz, so that doubling belongs to the low bass, not to noise cancelling as a whole. ANC listening rises from 30 to up to 35 hours on the same 1060 mAh cell, a figure Sonos qualifies as at moderate volume. Ten microphones sit behind it where the older Ace listed eight, and Bluetooth moves from 5.4 to 6.0.
Adaptive EQ and a custom 3-band or 8-band EQ appear on the Ultra's page; the older page offers bass, treble and loudness only. Dynamic head tracking and TrueCinema are on both pages, so neither is part of the step, and the Ultra is 10 g heavier on paper at 0.322 kg. This compares two pages read on one day, not a published list of every difference.
Two years of cover, wherever the pair was bought
The British terms state a two-year commercial warranty on all Sonos products, and the sentences around it matter more than the headline. The cover is 'irrespective of where you have bought the Sonos Product', so a pair bought on holiday or from a dealer does not lose it. It is also 'in addition to the other rights you may have by law': the warranty sits alongside statutory remedies rather than replacing them.
The two years matter most on a pair whose battery is designed to be replaced. Sonos sells the cell as a £25 kit, but its page warns that the swap 'requires disassembly and tools, plus some time and patience' and points to Sonos Support for service options. The terms leave the warranty's conditions to a separate Terms of Use, Licence and Warranty Agreement, and nothing read today says whether fitting the kit yourself affects the two years, so ask Sonos before opening a cup inside that period.
The £399 is the price a British buyer pays
There is no tax wording beside the £399 on the British product page, and the terms deal with VAT in one clause: 'Value added tax (“VAT”) is charged in accordance with local legislation in each country. Your final price as shown on the checkout page will reflect the correct VAT rate for the destination country of your order.' The same terms cover every country Sonos Europe B.V. ships to, which is why the clause stays general.
For a British address the silence on the page does not leave the price open. The Price Marking Order 2004 requires a trader selling to consumers to show the selling price, which it defines as 'the final price to be paid … including VAT and all other taxes'. So £399 is what reaches the checkout, with delivery free on top of it.
Thirty days to send it back, fourteen days to withdraw
Under the £399 the British page prints 'Free delivery and 30-day returns on every order.' Its own figures put delivery to a United Kingdom address at zero and the return window at thirty days with free return postage; the terms list the United Kingdom among the delivery territories where dispatch is free of charge.
The thirty days and the fourteen days are two different clocks, and the terms keep them apart: the 30-day return policy is 'separate from and in no way limits any rights that you may have by law', including 'your right as a consumer to withdraw from the contract with us within 14 days'. The store's policy asks you to tell Sonos within thirty days of taking possession and get the unit back within fourteen days of the RMA date; the statutory withdrawal right is a separate fourteen days from delivery, with its own refund timetable. Keeping them separate is the point: the shop window does not eat into the statutory one.
When the £50 is better left unspent
If nothing on the headphone-linking list is part of your Sonos system, keep the £349 Ace or buy it. Linking needs one of those products on the system, Wi-Fi and the Sonos app, and the list includes speakers such as Era 100, Roam 2 and Move 2 as well as the bars. Without one, the extra £50 buys longer battery life and Bluetooth 6.0, a thin reason to move up from a pair that already cancels noise and swaps TV audio.
The support pages add limits worth knowing before paying for the system side. TV Audio Swap works with Arc, Arc SL, Arc Ultra, Beam (Gen 1), Beam (Gen 2), Beam Ultra and Ray, but the home theatre speaker has to be on Wi-Fi and the television already playing through that bar when you switch. When a second pair joins the same session, dynamic head tracking switches off and only returns once one pair drops. The product guide also notes that wear detection shuts the headphones down after thirty minutes of inactivity, and that taking them off mid-call sends the call to the phone's speaker.
The linking features sit in Early Access while Sonos keeps working on them, so part of what £50 buys can still change or go temporarily quiet. The Ultra weighs 0.322 kg and stands 193 mm tall; its cushions cost £39 a set (Sand was out of stock on the day) and the battery kit £25, the latter a disassembly job. The Ultra was in stock in all four colours and the older Ace in both of its own, with free delivery and no deadline behind either price. Check the products in your Sonos app against the linking list before deciding.
How we put this together
Built from the product pages and listings below, without test scores or results we have not measured. Specifications and prices change, so check the original page for the exact model, current price, delivery, and returns.
- Sonos UK: Ace Ultra product page (Black) (opens in a new tab)
- Sonos UK: shop listing (opens in a new tab)
- Sonos UK: Terms of Sale (opens in a new tab)
- Sonos UK: older Sonos Ace product page (Black) (opens in a new tab)
- Sonos Support (UK): Listen to your TV with Sonos Ace TV Audio Swap (opens in a new tab)
- Sonos: Ace Ultra product guide (opens in a new tab)
- Sonos Support: Set up headphone linking (opens in a new tab)
- UK legislation: Price Marking Order 2004, article 1 (opens in a new tab)
- Sonos UK: Ace Ultra Ear Cushions (opens in a new tab)
- Sonos UK: Ace Ultra Replacement Battery Kit (opens in a new tab)
