- Sound Motion™
- Dolby Atmos
- Voice Control
- Wi-Fi
- Bluetooth®
- TV Remote Compatible
- Trueplay™
- Speech Enhancement
- Night Sound
- HDMI® eARC
- Apple AirPlay 2
- Touch Controls
The soundbar, revolutionized
The Arc Ultra is Sonos' sleekest and most powerful soundbar. Thanks to its brand-new acoustic architecture with 14 custom-designed Sonos drivers and advanced technology such as Sound Motion™, it fills the entire room with precisely tuned sound for unique entertainment.
The key to immersive sound
Sound Motion is one of the most significant breakthroughs in sound technology in the last 100 years. The technology enables unprecedented performance in an incredibly slim, compact design, delivering more clarity, depth, and balance than ever before in such a narrow soundbar. Hear every frequency with incredible precision, and experience double the bass performance compared to the Arc.
Sound on a completely new level
Thanks to Dolby Atmos, the Arc Ultra delivers incredibly detailed sound and enables breathtaking 9.1.4 3D audio.
Incredibly immersive sound
Connect the Arc Ultra to a Sonos Sub and Era 300 as surround speakers and experience the ultimate surround sound experience with Dolby Atmos and bass that gets under your skin. With the Sonos Ace, you'll experience a unique personal sound experience.
Unrivalled clear dialogues
The Arc Ultra ensures the clearest dialogues. The Sonos App allows you to adjust speech enhancement as desired to hear every word even more clearly.
A design that can be seen
Uniquely rounded shape. Timeless design. Matte finish. The Arc Ultra is designed to elegantly integrate into your home, with the focus entirely on your entertainment.
A unique home theater experience
Switch TV sound from the Arc Ultra to the Sonos Ace for individual surround sound and sensational 3D audio with dynamic head tracking.
Quick and easy setup
High-quality cinema sound within minutes. Plug in the power cable, connect your TV with the included HDMI cable, and open the Sonos App to complete the setup.
Perfectly tuned to the room
With Trueplay™, you can use the Sonos App to adjust the sound to the individual acoustics of the room and the placement of the soundbar. Available for iOS and Android.
Fill your home with music
The Arc Ultra is much more than just a soundbar. It is also Sonos' most powerful 3D audio speaker. Stream music and more via Wi-Fi and Bluetooth when the TV is off. Set up Sonos speakers in other rooms to experience sound throughout your home.
Technical data
Audio |
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Amplifiers |
Fifteen Class-D digital amplifiers perfectly tuned to the soundbar's unique acoustic architecture. |
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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. |
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Midwoofers |
Six woofers ensure faithful playback of mid-range frequencies. |
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Woofers |
Sound Motion, a four-motor, dual-membrane woofer, delivers exceptional bass in a revolutionary flat, compact design. |
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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. |
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Adjustable EQ |
Use the Sonos app to adjust bass, treble, and loudness. |
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TrueplayTM |
This software measures the acoustics of the room then fine-tunes the EQ. Compatible with iOS and Android devices. |
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Speech Enhancement |
Choose your preferred level of dialogue clarity in the Sonos app. |
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Night Sound |
Turn this setting on in the Sonos app to reduce the intensity of loud sounds and enhance quieter sounds. |
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Home Theater 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** The Sonos app's Now Playing screen will display what type of audio is being decoded. *HDMI eARC connection required. **This is not an indication of a licensed decoder. |
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Dolby Atmos Music1 |
Requires compatible content. |
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TV Audio Swap |
Swap TV audio between the soundbar and Sonos Ace headphones. |
Details & Dimensions |
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Dimensions |
Height: 2.95 in (75 mm) Width: 46.38 in (1178 mm) Depth: 4.35 in (110.6 mm) |
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Weight |
13 lb (5.9 kg) |
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Colors |
Black, White |
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Finish |
Matte |
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Mounting |
M5 x 0.8 mm thread pitch L6.5 mm |
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Controls |
Use the capacitive touch controls to play, pause, skip, replay, adjust the volume, turn off voice assistants, and group or ungroup Sonos products. |
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Bluetooth button |
Press to pair a Bluetooth device. |
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Mic switch |
Toggle off this switch on the back of the product to disconnect power to the mics. |
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LEDs |
Lights on the product indicate connection, microphone activity, and mute status. |
Power & Connectivity |
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WiFi |
Compatible with WiFi 6. Connect to WiFi with any 802.11a/b/g/n/ac/ax 2.4 GHz/5 GHz broadcast-capable router. |
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HDMI ARC/eARC |
Connect to your TV's HDMI eARC/ARC port with the included HDMI cable. Optical adapter sold separately. |
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Bluetooth |
Bluetooth 5.3 supports audio streaming from any Bluetooth-enabled device. |
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Voltage |
100-240V 50/60 Hz internal power supply |
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CPU |
Quad Core 4xA55 1.9 GHz |
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Memory |
2 GB SDRAM 8 GB NV |
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Voice |
Works with Sonos Voice Control and Amazon Alexa. Availability of voice assistants varies by language and country. |
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Apple AirPlay 2 |
Works with AirPlay 2 on Apple devices iOS 11.4 and higher. |
What's in the box? |
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Sonos Arc Ultra |
Product |
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Power cable |
Length: 6 ft (2 m) |
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HDMI cable |
Length: 4.9 ft (1.5 m) |
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Documentation |
Quickstart Guide and legal/warranty information |
Requirements |
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WiFi |
Internet connection |
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Power source |
Nearby electrical outlet. |
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Sonos app |
The latest generation of the Sonos app running on a compatible device. |
1 Dolby, Dolby Atmos, and the double-D symbol are registered trademarks of Dolby Laboratories Licensing Corporation. Manufactured under license from Dolby Laboratories. Confidential unpublished works. Copyright © 2012-2024 Dolby Laboratories. All rights reserved.
