Featuring breakthrough Sound Motion™ technology, Arc Ultra brings your entertainment to life like no other soundbar.
Arc Ultra is the sleekest and most powerful soundbar Sonos has ever created. With an all-new acoustic architecture powered by 14 Sonos-engineered drivers and advanced technologies like Sound Motion™, Arc Ultra fills every inch of the room and precisely places sounds all around you for an entertainment experience that feels out of this world.
Sound Motion™
One of the most significant breakthroughs in audio engineering in nearly 100 years, Sound Motion™ packs unprecedented performance in an unbelievably flat, compact design. This technology unlocks greater clarity, depth, and balance than ever before possible from a soundbar this sleek. Hear every frequency with astounding accuracy, and experience double the bass output of Arc.3
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.
Arc Ultra is engineered to maximize dialogue clarity. The Sonos app gives you the power to make every word even clearer with your preferred level of Speech Enhancement.
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.
Enjoy streamlined and clutter-free control with your existing TV remote.
The Sonos app brings all your content and settings together in one place for effortless control from any room.
Use Alexa to set your Routines, control your smart home, access your calendar, shopping lists, and more.
Intuitive touch controls provide quick, screen-free control. Just tap or swipe to play, pause, adjust the volume, and group your Sonos speakers.
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.
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.
With just a few taps in the Sonos app, Trueplay™ optimizes the sound for the unique acoustics of the room and placement of the soundbar. Available for iOS and Android.
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 WiFi and Bluetooth. Listen all around your home with Sonos speakers in other rooms.
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.
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.
Mid-woofers
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
Choose your preferred level of dialogue clarity in the Sonos app.
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**
The Sonos app’s Now Playing screen will display what type of audio is being decoded.
*HDMI6 eARC connection required. **This is not an indication of a licensed decoder.
Dolby Atmos Music
Requires compatible content.
TV Audio Swap
Swap TV audio between the soundbar and Sonos Ace headphones.
Dimensions
Height: 2.95 in (75 mm)
Width: 46.38 in (1,178 mm)
Depth: 4.35 in (110.6 mm)
Weight
13.01 lbs (5.9 kg)
Colours
Black, White
Finish
Matte
Mounting
M5 x 0.8mm thread pitch L6.5mm
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 mics.
LEDs
Toggle off the switch on the back of the product to disconnect power to the mics.
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.
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
100-240V 50/60Hz internal power supply
CPU
Quad Core
4xA55 1.9GHz
Memory2GB SDRAM
8GB 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 WiFi
TV Compatibility
Not compatible with CCFL-backlit TVs (manufactured 2004-2012)
Sonos Arc Ultra
Power Cable I
Length: 6 ft (2 m)
HDMI Cable
Length: 4.9 ft (1.5 m)
Documentation
Quickstart Guide and legal/warranty information
WiFi
Internet connection
Power Source
Nearby electrical outlet
Sonos app
The latest generation of the Sonos app running on a compatible device
