Why it stands out
Best for
Not ideal for
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Official product information provided by sonos
The following product descriptions, specifications and images are provided by the manufacturer.
Upgrade television sound with Sonos Arc Ultra, an all-in-one premium soundbar using Sound Motion technology and a 9.1.4 spatial presentation. HDMI eARC, Dolby Atmos, Trueplay, WiFi streaming and Bluetooth support both cinema and everyday music listening.
Why it stands out
9.1.4 spatial presentation
Directional drivers and processing create a wide Dolby Atmos sound field from one enclosure.
Sound Motion woofer technology
A compact motor architecture increases low-frequency output within the slim cabinet.
Clearer dialogue control
Speech Enhancement includes multiple levels for better intelligibility.
Expandable Sonos cinema
Add compatible surrounds and Sub products, or switch TV audio to Sonos Ace.
Best for
- Premium all-in-one TV sound
- Dolby Atmos films
- Sonos multiroom homes
- Users planning wireless surrounds and Sub
- Private TV listening with Sonos Ace
Not ideal for
- TVs without HDMI ARC/eARC unless using an adapter
- Buyers needing multiple HDMI inputs
- Rooms where side/upward drivers are obstructed
- Systems outside the Sonos ecosystem
EMiUZEK Buying Notes
- Arc Ultra uses one HDMI eARC connection; source devices normally connect to the TV.
- Atmos availability depends on the TV, source, app, cable and content format.
- Maintain mounting clearance and run Trueplay after final placement.
FAQ
Does it support Dolby Atmos?
Yes. Arc Ultra supports Dolby Atmos and is presented by Sonos as a 9.1.4 spatial soundbar.
Does it have HDMI inputs for consoles?
It uses one HDMI eARC/ARC connection to the TV, not a multi-input HDMI switch.
Can I use Bluetooth?
Yes. Arc Ultra supports Bluetooth audio in addition to WiFi streaming.
Can I add surrounds?
Yes. Compatible Sonos speakers can be bonded as rear surrounds.
Can I add two subwoofers?
Supported dual-Sub configurations are available with compatible Sonos Sub models.
Does it support DTS?
Sonos lists DTS Digital Surround support; DTS:X is not the same format and should not be assumed.
Can it work with Sonos Ace?
Yes. TV Audio Swap supports compatible private listening with Sonos Ace.
Is wall mounting supported?
Yes, with the appropriate Arc Ultra or compatible Arc wall mount and required clearance.
HOW TO CONNECT
- HDMI eARC/ARC — Connect the soundbar to the TV’s eARC/ARC port.
- WiFi/Ethernet — Add Arc Ultra in the Sonos app for streaming, grouping and updates.
- Bluetooth — Press the Bluetooth control and pair a compatible mobile source.
Technical Specifications
| Feature | Specification |
|---|---|
| Product type | Premium smart soundbar |
| Spatial presentation | 9.1.4 |
| Key technology | Sound Motion |
| Audio formats | Dolby Atmos and supported Dolby/DTS/PCM formats |
| TV connection | HDMI eARC/ARC |
| Wireless | WiFi; Bluetooth; Apple AirPlay 2 |
| Room tuning | Trueplay for iOS and Android |
| Voice control | Sonos Voice Control; Amazon Alexa where available |
| Controls | Capacitive touch controls |
| Expansion | Compatible Sonos Sub and surround speakers |
| Private listening | TV Audio Swap with Sonos Ace |
| Wall mounting | Optional mount |
| Colours | Black; white |
Additional Product Content
Comparison: choose the right product
| Decision point | Sonos Arc Ultra | Bose Smart Ultra Soundbar |
|---|---|---|
| Primary ecosystem | Sonos Sub, surrounds and Ace | Bose bass modules, surrounds and headphones |
| TV connection | HDMI eARC/ARC | HDMI eARC plus optical option |
| Room tuning | Trueplay | ADAPTiQ |
| Best when | You want expandable Sonos home theatre | You need Bose integration or optical connectivity |
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