Arc Ultra
Premium Smart Soundbar
Featuring breakthrough Sound Motion™ technology for a more expansive soundstage, Arc Ultra brings your entertainment to life like no other soundbar.
Experience clearer dialogue, deeper bass and more detailed sound that precisely surrounds you from every direction—all in an unbelievably sleek design. Dolby Atmos takes immersion to a whole new dimension, creating a 9.1.4 spatial audio experience.1 Speech Enhancement, powered by AI, detects the human voice to clarify dialogue, giving you greater control so you never miss a word. Quickly set up Arc Ultra with the included HDMI cable, and enjoy streamlined control with your TV remote. You can also use the Sonos app, the touch controls on top of the soundbar, Sonos Voice Control, and Amazon Alexa. When your TV is off, stream music and more from all your favourite services using Wi-Fi and Bluetooth. Add a Sonos Sub and Era 300 rear speakers for the ultimate Dolby Atmos surround sound experience. Listen all around your home when you add Sonos speakers to other rooms.
Key Features
- Sound Motion™
- Dolby Atmos
- Voice enabled
- Wi-Fi
- Bluetooth®
- Works with TV remote
- Trueplay™
- Speech Enhancement
- Night Sound
- HDMI® eARC
- Apple AirPlay 2
- Touch controls
The Soundbar, Reinvented
Arc Ultra is the sleekest and most powerful soundbar Sonos has ever created. With an all-new acoustic architecture.
Sound Motion™
Key to Next-Level Immersion
Sound Motion™ technology redefines what’s possible in audio performance. By integrating Sound Motion™ into Arc Ultra, we’re able to obtain a deeper, more powerful bass response in a smaller package. This innovation frees up space for additional tweeter and mid-range drivers, delivering a more expansive and balanced soundstage, surpassing the previous generation of Arc.

Dolby Atmos
Sound in a Whole New Dimension
With Dolby Atmos, Arc Ultra brings sound to life with sensational definition and envelops you in a mind-blowing 9.1.4 spatial audio experience.1

Beyond Immersive
Pair Arc Ultra with a Sonos Sub and Era 300 rear speakers for the ultimate Dolby Atmos surround sound experience, with bass you can feel and jaw-dropping detail from every direction.2 Make the experience all your own with a pair of Sonos Ace headphones.

Speech Enhancement
Crystal-Clear Dialogue for Every Listener
Speech Enhancement with Arc Ultra uses AI to detect the human voice and clarify dialogue. With four customisable levels, you can ensure every listener hears every word with precision.

Design Worthy of Your Home
Distinctive curved shape. Low-profile design. Matte finish. Arc Ultra is thoughtfully crafted to look great in your home and keep the focus on your entertainment.

An Exclusive Entertainment Experience
Instantly swap TV audio from Arc Ultra to Sonos Ace for private surround sound and sensational spatial audio with dynamic head tracking.3 Connect two Sonos Ace headphones at once to enjoy a film with a companion or immerse yourself in couch co-op gaming.4

Make Sound Feel at Home
TrueCinema technology with Arc Ultra enhances your Sonos Ace headphones by precisely mapping your space, then virtually rendering the most lifelike surround sound experience. You’ll feel like you’re listening out loud in your own private cinema.3

The Most Dynamic Duo
Get the ultimate out-loud and personal listening experiences with Sonos Ace and Arc Ultra.

Control Your Way
Use Your TV Remote
Enjoy streamlined and clutter-free control with your existing TV remote.

Control Everything Like It\'s Nothing
The Sonos app brings all your content and settings together in one place for effortless control from any room.

Get Extra Help from Amazon Alexa
Use Alexa to set your Routines, control your smart home, access your calendar, shopping lists, and more.5

Touch and Go
Intuitive touch controls provide quick, screen-free control. Just tap or swipe to play, pause, adjust the volume, and group your Sonos speakers.

Share Audio from Your Apple Devices
Stream directly from your iPhone, iPad, or Mac. With the Apple Home app, you can even use Siri on your device to play Apple Music.

Breeze Through Setup
Get theatre-quality sound in minutes. Simply plug in the power cable, connect your TV with the included HDMI cable, and open the Sonos app to complete setup.

Perfectly Tuned for the Room
With just a few taps in the Sonos app, Trueplay™ optimises the sound for the unique acoustics of the room and placement of the soundbar. Available for iOS and Android.

Fill Your Home with Music
Arc Ultra is more than a soundbar. It’s also our most powerful spatial audio speaker. When the TV is off, stream music and more with Wi-Fi and Bluetooth. Listen all around your home with Sonos speakers in other rooms.

Environmentally Sound Design
From increasing the energy efficiency of our products to eliminating plastic from our packaging, we\'re finding innovative ways to tone down our environmental impact.

1. Dolby Atmos content and compatible TV required. Stream Dolby Atmos Music from a supported service. Refer to faq.sonos.com/sonos-arc-ultra/atmos for more information.
2. Availability of voice assistants varies by country and language.
3. See faq.sonos.com/sonos-ace/tv-swap for more information.
4. TV Audio Swap for two requires the Sonos app, a compatible Sonos soundbar connected to WiFi, and compatible software version. See faq.sonos.com/sonos-ace/tv-swap and faq.sonos.com/sonos-ace/update for more information. Dynamic head tracking is disabled when TV Audio Swap is active on two Sonos Ace headphones simultaneously.
5. Amazon account required for Amazon Alexa. Smart home control requires compatible devices and internet connection. Some features may require enabling Alexa Skills.
6. The terms HDMI, HDMI High-Definition Multimedia Interface, HDMI Trade dress and the HDMI Logos are trademarks or registered trademarks of HDMI Licensing Administrator, Inc.
Audio | |
Amplifiers | Fifteen Class-D digital amplifiers perfectly tuned to the unique acoustic architecture. |
Tweeters | Seven precisely angled silk-dome tweeters create crisp high frequencies and clear dialogue. Two of these fire upward, creating dedicated height channels for spatial audio. |
Midwoofers | Six midwoofers ensure faithful playback of mid-range frequencies. |
Woofers | Sound Motion™, a four-motor, dual-membrane woofer, delivers exceptional bass in a revolutionary flat, compact design. |
Microphones | The far-field microphone array uses advanced beamforming and multichannel echo cancellation for quick and accurate voice control and Trueplay tuning. Disconnect by toggling off the mic switch. |
Adjustable EQ | Use the Sonos app to adjust bass, treble, and loudness. |
Trueplay | This software measures the acoustics of the room then fine-tunes the EQ. Compatible with iOS and Android devices. |
Speech Enhancement | AI detects the human voice to make every word crystal-clear. With just a tap in the Sonos app, choose between four customisable levels for optimal audibility. |
Night Sound | Turn this setting on in the Sonos app to reduce the intensity of loud sounds and increase the level of quieter sounds. |
Home Theatre Audio Formats | Stereo PCM, Dolby Digital, Dolby Digital Plus, Dolby Atmos (Dolby Digital Plus), Dolby Atmos*, Dolby TrueHD*, Dolby Atmos (True HD)*, Multichannel PCM*, Dolby Multichannel PCM*, DTS Digital Surround** (*HDMI eARC connection required. **This is not an indication of a licensed decoder.) The Sonos app's Now Playing screen will display what type of audio is being decoded. |
Details & Dimensions | |
Dimensions | Height: 75 mm, Width: 1,178 mm, Depth: 110.6 mm |
Weight | 5.9 kg |
Colours | Black, White |
Finish | Matte |
Mounting | M5 x 0.8 mm thread pitch L6.5 mm |
Controls | Use the capacitive touch controls to play, pause, skip, replay, adjust the volume, turn off voice assistants, and group or ungroup Sonos products. |
Bluetooth Button | Press to pair with a Bluetooth device. |
Mic Switch | Toggle off the switch on the back of the product to disconnect power to the microphones. |
LEDs | Lights on the product indicate connection, mute status, microphone activation and errors. |
Power & Connectivity | |
Wi-Fi | Compatible with Wi-Fi 6. Connect to Wi-Fi with any 802.11a/b/g/n/ac/ax 2.4 GHz/5 GHz broadcast-capable router. |
HDMI eARC | Connect to your TV's HDMI eARC/ARC port with the included HDMI cable. |
Optical | Optical audio adapter sold separately. |
Bluetooth | Bluetooth 5.3 supports audio streaming from any Bluetooth-enabled device. |
Voltage | 100-240 V 50/60 Hz internal power supply. |
CPU | Quad Core, 4 x A55 1.9 GHz. |
Memory | 2 GB SDRAM, 8 GB NV. |
Voice | Works with Sonos Voice Control and Amazon Alexa. Availability of services varies by language and country. |
Apple AirPlay 2 | Works with AirPlay 2 on Apple devices iOS 11.4 and higher on Wi-Fi. |
TV Compatibility | Not compatible with CCFL-backlit TVs (manufactured 2004-2012). |
Box Contents | |
Main Unit | Sonos Arc Ultra |
Power Cable | Length: 2 m (6 ft) |
HDMI Cable | Length: 1.5 m (4.9 ft) |
Documentation | Quickstart guide and legal/warranty information |
Requirements | |
Wi-Fi | Internet connection |
Power Source | Nearby electrical outlet |
Sonos App | The latest generation of the Sonos app running on a compatible device |
Write a Review
Note: If reviewing a product that has variations such as colour or length, please include this information at the start of the review. For example "Colour: Red" or "Cable Length: 2m" etc.
Your Name:Your Review: Note: Plain text only (HTML is not translated).
Rating: Bad Good