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Comment from December 19, 2025 — Experience from December 08, 2025
Automatically translated — Show original (French)
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$1,044 €899 ~ $1,266While stocks last
Specifications and features
Awards
What Hi-Fi? 5 stars
A global reference, What Hifi? is one of the most comprehensive magazines covering Home Cinema and Hifi. The "5 stars" award distinguishes the highest quality products, according to this British magazine.
Sonos Arc Ultra: The 9.1.4 Channel Soundbar with Dolby Atmos for an Immersive Audio Experience
The Sonos Arc Ultra marks a significant advancement in the realm of soundbars. With its 9.1.4 channels, it delivers an exceptional spatial audio experience that immerses you in the heart of the action. Thanks to its 14 carefully designed and positioned Sonos speakers, the Arc Ultra creates a vast and precise soundstage that impressively fills your room.
The Sound Motion technology, a result of Sonos’s acquisition of Mayht, significantly reduces the size of the drivers while increasing bass power. This translates into exceptional sound performance in a compact and elegant format. The Arc Ultra delivers up to twice the bass of its predecessor, while maintaining remarkable clarity and precision across the entire audio spectrum.
A Sophisticated and Functional Design
The Arc Ultra features a distinctive design with a curved profile and a matte finish available in white or black. Its sleek shape and slimmer appearance allow it to blend seamlessly into your interior, whether mounted on the wall or placed on furniture. The wraparound grille extends to the back of the speaker, allowing sound to spread in all directions for total immersion.
The touch controls are cleverly concealed in a dedicated edge at the back of the soundbar, avoiding any visual distraction. With dimensions of 75 x 1178 x 110.6 mm and a weight of 5.9 kg, the Arc Ultra remains relatively compact despite its impressive audio performance.
Cutting-Edge Audio Technology
The Arc Ultra incorporates fifteen class D digital amplifiers, perfectly tuned to the unique acoustic architecture of the soundbar. It includes seven precisely oriented silk dome tweeters, with two firing upwards to create dedicated height channels for spatial audio. Six mid-range speakers ensure faithful reproduction of mid frequencies, while the Sound Motion subwoofer, with its four drivers and dual membrane, delivers exceptional bass in a revolutionary flat and compact design.
Compatibility with Dolby Atmos allows you to fully enjoy immersive audio content available on streaming services and Blu-ray. The Arc Ultra also supports other home theater audio formats for maximum versatility.
Enhanced Vocal Clarity
Thanks to its new central channel architecture, the Arc Ultra maximizes voice clarity, making dialogue easier to understand. The advanced speech enhancement feature allows you to choose the desired level of dialogue clarity via the Sonos app, offering precise control over the listening experience.
Simplified Setup and Control
Setting up the Arc Ultra is a breeze thanks to its HDMI eARC connection. You can easily control it with your TV remote, the Sonos app, Sonos voice control, or Amazon Alexa. The addition of Bluetooth connectivity offers even more flexibility for streaming audio content.
Trueplay technology, now available on iOS and Android, uses built-in microphones to analyze your room’s acoustics and automatically adjust the equalization for optimal performance, regardless of the soundbar’s location.
Seamless Integration into the Sonos Ecosystem
The Arc Ultra integrates perfectly into the Sonos ecosystem, allowing you to create a multi-room audio system or expand your home theater setup. It is compatible with the new Sonos Sub 4 subwoofer for even deeper bass, as well as other Sonos speakers for a complete surround sound experience.
The TV Audio Swap feature lets you instantly switch your TV’s audio from the Arc Ultra to a Sonos Ace speaker for an immersive sound experience in another room.
An Eco-Friendly Approach
Sonos designed the Arc Ultra with sustainability in mind. It uses more screws and fewer adhesives for easier repairs, halogen-free PCB materials, less silicone, and its standby power consumption has been reduced by up to 20% compared to the previous model. Its packaging is 100% recyclable and 18% more compact, optimizing transport.
What the press says
If you're looking for a soundbar that's easy to use (setup takes just a few minutes via the updated app) and highly efficient, then you can go for it without hesitation. With its exemplary spatialization (slightly less pronounced on Atmos effects when used alone), detailed and balanced sound, and versatility, the Arc Ultra deserves plenty of praise. All of this comes in a sleek, effective, and premium design.
Automatically translated — Show original (French)
Si vous cherchez une barre de son simple à utiliser (la configuration se fait en quelques minutes depuis l’application qui a été corrigée) et très performante, alors vous pouvez y aller les yeux fermés. Entre sa spatialisation exemplaire (un chouïa en retrait sur les effets Atmos quand elle est seule), son rendu détaillé et équilibré et sa polyvalence, la Arc Ultra mérite énormément d’éloges. Le tout dans un design sobre, efficace et haut de gamme.
The Sonos Arc Ultra is a hit. Contrary to expectations, it isn't significantly deeper than the original Arc, but its bass is noticeably more controlled, harmonious, and better defined. And that's just the beginning of the improvements. It's truly astonishing how much clearer, more spacious, more precise, and more detailed the sound of the Ultra is.
Automatically translated — Show original (French)
Le Sonos Arc Ultra est un succès. Contrairement aux attentes, il n'est pas beaucoup plus grave que l'Arc d'origine, mais ses basses sont nettement plus contrôlées, harmonieuses et mieux définies. Et ce n'est que le début des améliorations. C'est vraiment étonnant à quel point le son de l'Ultra est plus net, plus spacieux, plus précis et plus détaillé.
The Arc Ultra is an outstanding product and a crucial step in the right direction. It’s a significant improvement over the original and is easily a contender for the title of the best all-in-one soundbar you can buy.
Automatically translated — Show original (French)
L'Arc Ultra est un excellent produit et une étape cruciale dans la bonne direction. C'est une amélioration significative par rapport à l'original et elle est facilement en lice pour le titre de meilleure barre de son tout-en-un que vous puissiez acheter.
The Sonos ARC Ultra achieves the remarkable feat of improving on a formula that was already excellent. With its new Sound Motion system and additional drivers, it delivers a more immersive and powerful sound experience than ever before, while retaining the balanced sound signature that has made the brand so successful. Priced at 999 euros, it certainly positions itself in the premium segment but justifies this with top-notch audio performance and rare versatility, equally adept with movies as with music.
Automatically translated — Show original (French)
La Sonos ARC Ultra réussit le tour de force d'améliorer une formule qui était déjà très bonne. Avec son nouveau système Sound Motion et ses transducteurs supplémentaires, elle offre une expérience sonore plus immersive et plus puissante que jamais, sans pour autant perdre cette signature sonore équilibrée qui fait le succès de la marque. À 999 euros elle se positionne certes sur le segment premium, mais justifie cette place par des performances audio de haut vol et une polyvalence rare, aussi à l'aise avec les films qu'avec la musique.
Documentation
French
Technical Specifications
Audio Configuration
- 9.1.4 channel system
- Fifteen Class D digital amplifiers
- Speakers:
- 7 silk dome tweeters (including 2 upward-firing for spatial audio)
- 6 midrange drivers
- 1 Sound Motion woofer with four motors and dual diaphragm
Technologies and Features
- Dolby Atmos
- Trueplay technology (iOS system only)
- Adjustable EQ via the app
- Speech enhancement for clearer dialogue
- TV remote synchronization
- Touch controls
- AirPlay 2
Voice Assistants
- Google Assistant
- Amazon Alexa
- Sonos Voice Control
Compatible Streaming Services
- Amazon Music, Apple Music, Audible, Deezer, Google Play Music, Napster, Qobuz, SoundCloud, Spotify, Tidal, TuneIn
Connectivity
- 1 HDMI eARC input
- 1 Ethernet port
- 1 power socket
Physical Specifications
- Dimensions (H × W × D): 75 × 1,178 × 111.1 mm
- Weight: 5.9 kg
- Power supply: 100-240 V AC, 50-60 Hz
Box Contents
- Sonos Arc Ultra
- Power cable
- HDMI cable
- Optical adapter
- Quick start guide
- Warranty and legal documents
Frequently Asked Questions
What is the main difference between the ARC Ultra and the original ARC?
The major difference lies in the enhanced audio configuration (9.1.4 vs. 5.0.2), the addition of the Sound Motion™ woofer for more powerful bass, and the integration of Bluetooth, which was absent in the original model.
Is the Arc Ultra compatible with my current TV?
The Arc Ultra primarily connects via HDMI eARC to take full advantage of its features. However, it is also compatible with standard HDMI ARC ports and can be connected optically with a separately sold adapter. Check the available ports on your TV to determine the best connection option.
Can I use the Arc Ultra without an external subwoofer?
Absolutely. Thanks to its integrated Sound Motion technology, the Arc Ultra delivers powerful and deep bass without the need for an external subwoofer. However, for an even more immersive experience, you can pair it with the new Sonos Sub 4 or other compatible Sonos subwoofers.
How does Trueplay calibration work with the Arc Ultra?
The Arc Ultra features the latest version of Trueplay, which uses built-in microphones to analyze your room’s acoustics. This feature is now available on iOS and Android. Once activated, Trueplay automatically adjusts the soundbar’s equalization to optimize sound performance based on your specific environment.
Is it possible to use the Arc Ultra as the main speaker for music listening?
Yes, the Arc Ultra excels not only for home theater but also for music listening. With its Wi-Fi and Bluetooth connectivity, you can easily stream your music from various sources. The Arc Ultra’s exceptional sound quality and wide soundstage make it an excellent speaker for all types of audio content.
User reviews
Frederic
Top-notch, brilliant, superb equipment
The seller was very professional, great advice, I thank him.
Frederic
Comment from December 17, 2025 — Experience from December 06, 2025
Automatically translated — Show original (French)
Top génial superbe matériel
Le vendeur a été très pro superbe conseil je le remercie
Frederic
Le vendeur a été très pro superbe conseil je le remercie
Frederic
Vincent
An exceptional soundbar. It stands on its own. I’m going to upgrade it with two Era 300s. I’d been looking for a wireless system for a long time, and I’m delighted. The only downside is that it’s not Chromecast compatible.
Comment from November 30, 2025 — Experience from September 18, 2025
Automatically translated — Show original (French)
Une barre de son exceptionnelle. Elle se suffit à elle-même. Je vais la faire évoluer avec deux Era 300. Je cherchais depuis longtemps un système sans fil, et je suis ravi. Le seul dommage est qu'elle ne soit pas compatible Chromecast.
- Eco-contribution of €1.60 included in the sale price.
- Manufacturer reference: ARCG2EU1
- GTIN / EAN: 8720862502840
