Soundbars / Compare
Sonos Arc vs Sonos Beam Ultra
Product A: Sonos
57 of 98 known
Change Sonos Arc
Product B: Sonos
58 of 98 known
Change Sonos Beam Ultra
26 of 90 fields differ
- 20 different values
- 6 known for one only
- 30 the same
- 34 missing for both
Weight
0 to 30,000 g
Soundbar weight
A6,250g
B2,880g
All 98 fields
Every value links to where we found it.


Audio system
7 of 17 differ
System channel configuration
5.0.212Press articletechradar.com/reviews/sonos-arcRead 10 October 2026Review lists the speaker layout as 5.0.2 with 11 Class-D amplifiers, 8 woofers and 3 tweeters. This is the maker channel layout and not a driver count.15Reviewwhathifi.com/reviews/sonos-arcRead 10 October 2026Review states Sonos refers to the Arc arrangement as 5.0.2.16Reviewrtings.com/soundbar/reviews/sonos/arcRead 10 October 2026Public review lists the channels as 5.0.2.
Physical drivers in the package
111Maker product pagesonos.com/en-us/shop/arcRead 10 October 2026All eleven drivers are in the bar. No subwoofer or rear speaker is supplied.13Press articletechradar.com/news/sonos-arc-enters-the-stratosphere-with-its-first-dolby-atmos-soundbarRead 10 October 2026News: an array of 11 drivers, eight mid-range woofers and three dedicated tweeters.
Physical drivers in the bar
Up-firing drivers in the package
Not available
Driver layout
ASonos Arc
| Component | Driver type | Count |
|---|---|---|
| Soundbar | Silk dome tweeter | 3 |
| Soundbar | Elliptical woofer | 8 |
BSonos Beam Ultra
| Component | Driver type | Count | Orientation |
|---|---|---|---|
| Soundbar | Mid tweeter | 1 | Forward-firing |
| Soundbar | Horn-loaded mid tweeter | 2 | Side-firing |
| Soundbar | Horn-loaded tweeter | 2 | Up-firing |
| Soundbar | Low-profile woofer | 4 | Not available |
Separate subwoofer included
Included subwoofer connection
Not available
Not available
Included subwoofer driver diameter
Not available
Not available
Rear speakers included
Included rear speaker connection
Not available
Not available
Detachable rear speakers
Not available
Compatible optional subwoofers
Sub (Gen 1), Sub (Gen 2), Sub (Gen 3), Sub 4, Sub Mini1Maker product pagesonos.com/en-us/shop/arcRead 10 October 2026Support page for Sub compatibility lists Arc with all Sub models in certain configurations. Sub Mini support is listed in the next source.8Maker product pagesupport.sonos.com/en-us/article/sonos-products-that-support-sub-miniRead 10 October 2026Arc is listed under Home Theater products that support Sub Mini.9Maker product pagesupport.sonos.com/en-us/article/set-up-your-sonos-subRead 10 October 2026Sub (Gen 1, 2 and 3) and Sub 4 are compatible with Arc. Arc works with all Sub models in certain configurations. Optional subwoofers are not supplied.
Sub (Gen 1), Sub (Gen 2), Sub (Gen 3), Sub 4, Sub Mini11Maker product pagesupport.sonos.com/en-us/article/set-up-your-sonos-subRead 8 October 2026Sub 1/2/3 compatible with all Sonos theater bars. Sub 4 except Playbar/Playbase. Dual-Sub Beam Ultra requires Sub 4/Gen 3. Sub Mini confirmed separately.12Maker product pagesupport.sonos.com/en-us/article/sonos-products-that-support-sub-miniRead 8 October 2026Explicit Home Theater list includes Beam Ultra for Sub Mini.
Compatible optional rear speakers
Not available
Era 100, Era 300, Sonos Play, Move 21Maker product pagesonos.com/en-us/shop/beam-ultraRead 8 October 2026Product page explicitly names Sonos Play and Move 2, and offers Era 100 sets. Maker Beam Ultra guide additionally names Era 300. Matching pairs required.5Maker product pagesonos.com/en-us/blog/guide-to-beam-ultraRead 8 October 2026Foundation of home theater setup names optional Era 100 and Era 300 pairs.
Total RMS audio output power
Not available
Not available
Total peak audio output power
Not available
Not available
Published frequency response lower limit
Not available
Not available
Published frequency response upper limit
Not available
Not available
Audio formats
2 of 9 differ
Dolby Atmos
Yes1Maker product pagesonos.com/en-us/shop/arcRead 10 October 2026Maker states Dolby Atmos with upward-firing drivers. Atmos over Dolby Digital Plus works on ARC or eARC. Dolby TrueHD and MAT Atmos need eARC.4Maker product pagesupport.sonos.com/en-us/article/listen-to-dolby-atmos-audio-from-your-tv-on-sonosRead 10 October 2026Arc supports Dolby Atmos playback in a Home Theater setup over HDMI ARC or eARC. Most Atmos plays over ARC with Dolby Digital Plus. Lossless Atmos with Dolby TrueHD needs eARC.
Yes1Maker product pagesonos.com/en-us/shop/beam-ultraRead 8 October 2026Specific audio format list supports Dolby Digital Plus Atmos without an eARC asterisk. Lossless TrueHD and MAT require eARC. The generic product headline says eARC, while maker setup guidance confirms ARC Atmos.6Maker product pagesupport.sonos.com/en-us/article/set-up-your-sonos-beam-ultraRead 8 October 2026Listen to Dolby Atmos on Beam Ultra explicitly says an HDMI ARC link can carry Atmos.
DTS:X
Supported audio formats
Stereo PCM, Dolby Digital, DTS Digital Surround, Dolby Digital Plus, Dolby Atmos (Dolby Digital Plus), Dolby TrueHD, Dolby Atmos (Dolby TrueHD), Multichannel PCM, Dolby Multichannel PCM, Dolby Atmos1Maker product pagesonos.com/en-us/shop/arcRead 10 October 2026Home Theater Audio Formats list on the Tech Specs tab. eARC is required for Dolby Atmos (MAT), Dolby TrueHD, Dolby Atmos via TrueHD, Multichannel PCM and Dolby Multichannel PCM. The maker notes DTS Digital Surround is not an indication of a licensed decoder.
Stereo PCM, Dolby Digital, DTS Digital Surround, Dolby Digital Plus, Dolby Atmos (Dolby Digital Plus), Dolby Atmos (Dolby TrueHD), Dolby TrueHD, Multichannel PCM, Dolby Multichannel PCM, Dolby Atmos (Dolby MAT)7Maker product pagesupport.sonos.com/en-us/article/supported-home-theater-audio-formatsRead 8 October 2026DTS Digital Surround is supported, not DTS:X. The maker says DTS listing is not an indication of a licensed decoder.
Audio formats by connection
ASonos Arc
| Connection | Format |
|---|---|
| HDMI ARC | Stereo PCM |
| HDMI ARC | Dolby Digital |
| HDMI ARC | DTS Digital Surround |
| HDMI ARC | Dolby Digital Plus |
| HDMI ARC | Dolby Atmos (Dolby Digital Plus) |
| HDMI eARC | Stereo PCM |
| HDMI eARC | Dolby Digital |
| HDMI eARC | DTS Digital Surround |
| HDMI eARC | Dolby Digital Plus |
| HDMI eARC | Dolby Atmos (Dolby Digital Plus) |
| HDMI eARC | Dolby TrueHD |
| HDMI eARC | Dolby Atmos (Dolby TrueHD) |
| HDMI eARC | Multichannel PCM |
| HDMI eARC | Dolby Multichannel PCM |
| HDMI eARC | Dolby Atmos |
Source1Maker product pagesonos.com/en-us/shop/arcRead 10 October 2026Rows follow the maker format list and its eARC-required footnote. ARC carries stereo PCM, Dolby Digital, DTS Digital Surround, Dolby Digital Plus and Atmos over Dolby Digital Plus. eARC adds the lossless and MAT rows. Channel limits are not published.3Maker product pagesupport.sonos.com/en-us/article/supported-home-theater-audio-formatsRead 10 October 2026Sonos Arc is listed for Dolby Digital Plus and Dolby Atmos over Dolby Digital Plus. Dolby TrueHD, Atmos over TrueHD, Atmos MAT, Multichannel PCM and Dolby Multichannel PCM require an eARC connection.
BSonos Beam Ultra
| Connection | Format |
|---|---|
| HDMI ARC | Stereo PCM |
| HDMI ARC | Dolby Digital |
| HDMI ARC | DTS Digital Surround |
| HDMI ARC | Dolby Digital Plus |
| HDMI ARC | Dolby Atmos (Dolby Digital Plus) |
| HDMI eARC | Stereo PCM |
| HDMI eARC | Dolby Digital |
| HDMI eARC | DTS Digital Surround |
| HDMI eARC | Dolby Digital Plus |
| HDMI eARC | Dolby Atmos (Dolby Digital Plus) |
| HDMI eARC | Dolby TrueHD |
| HDMI eARC | Dolby Atmos (Dolby TrueHD) |
| HDMI eARC | Multichannel PCM |
| HDMI eARC | Dolby Multichannel PCM |
| HDMI eARC | Dolby Atmos (Dolby MAT) |
Music file formats
MP3, MP4, M4A, WMA, AAC, HE-AAC, OGG, FLAC, ALAC, AIFF, WAV5Maker product pagesupport.sonos.com/en-us/article/supported-audio-formats-for-sonos-music-libraryRead 10 October 2026Local music library playback through the current Sonos app. Mono or stereo files. This is separate from the HDMI home theater formats.
MP3, MP4, M4A, WMA, AAC, HE-AAC, OGG, FLAC, ALAC, AIFF, WAV8Maker product pagesupport.sonos.com/en-us/article/supported-audio-formats-for-sonos-music-libraryRead 8 October 2026Current-app local network library playback, mono or stereo.
Max wired audio sample rate
Not available
Not available
Max music file sample rate
Max wired audio bit depth
Not available
Not available
Max music file bit depth
Connectivity
6 of 17 differ
Ports on the bar
ASonos Arc
| Connector | Count | Version | Role |
|---|---|---|---|
| HDMI | 1 | Not available | TV connection for HDMI ARC or eARC audio |
| Ethernet | 1 | 10/100 Mbps | Network connection |
| AC power | 1 | Not available | Mains power input |
BSonos Beam Ultra
| Connector | Count | Role |
|---|---|---|
| HDMI | 1 | TV audio return input (ARC/eARC) |
| USB-C | 1 | Line-in or Ethernet via optional Sonos adapter |
| AC power | 1 | Mains power input |
HDMI ARC
HDMI eARC
HDMI-CEC
Yes2Owner's manualsonos.com/en-us/guides/arcRead 10 October 2026The guide describes TV control through the HDMI ARC link. See the TV requirements article for the CEC condition.10Maker product pagesupport.sonos.com/en-us/article/tv-requirements-for-sonos-home-theater-speakersRead 10 October 2026Arc needs a TV with an HDMI ARC port to use CEC or voice control of the TV. CEC control is unavailable through the optical adapter.
HDMI video passthrough
Video passthrough modes
Not available
Not available
HDR passthrough formats
Not available
Not available
VRR passthrough
Not available
Not available
ALLM passthrough
Not available
Not available
HDCP version
Not available
Not available
Bluetooth audio input
No14Reviewsoundguys.com/sonos-arc-review-118429Read 10 October 2026Review FAQ states the Sonos Arc does not have Bluetooth.15Reviewwhathifi.com/reviews/sonos-arcRead 10 October 2026Review spec table lists Bluetooth as No.16Reviewrtings.com/soundbar/reviews/sonos/arcRead 10 October 2026Public review verdict lists no Bluetooth support. Membership-locked measurements were not used.
Bluetooth version
Not available
Bluetooth audio codecs
Not available
Not available
Wi-Fi
Wi-Fi standard
802.11a/b/g/n/ac/ax1Maker product pagesonos.com/en-us/shop/beam-ultraRead 8 October 2026
Wi-Fi bands
Built-in Ethernet speed
Not available
Streaming and control
2 of 8 differ
Streaming protocols
Voice assistants
Sonos Voice Control, Amazon Alexa, Google Assistant1Maker product pagesonos.com/en-us/shop/arcRead 10 October 2026Tech Specs Voice entry: works with Sonos Voice Control, Amazon Alexa and Google Assistant. Availability varies by country and language.
Sonos Voice Control1Maker product pagesonos.com/en-us/shop/beam-ultraRead 8 October 2026Sonos Voice Control supported now. Alexa+ planned, not available at launch. No Google Assistant claim stored.6Maker product pagesupport.sonos.com/en-us/article/set-up-your-sonos-beam-ultraRead 8 October 2026Only Sonos Voice Control currently supported. Alexa+ is planned and unavailable at launch.
Built-in microphone
Microphone mute control
Companion apps
Companion app platforms
iOS, iPadOS, Android, Fire OS, macOS, Windows, Web7Maker product pagesupport.sonos.com/en-us/article/sonos-app-requirementsRead 10 October 2026Current app: iOS and iPadOS 18+, Android 10+, Fire OS 7+. Desktop macOS 10.12+ and Windows 8+. Web app in Chrome, Firefox, Safari and Edge. Desktop and web have limited system setup features. Mobile iOS or Android is required for initial setup.
Multiroom audio
Remote included
Sound processing
1 of 7 differ
Sound modes
Speech Enhancement, Night Sound1Maker product pagesonos.com/en-us/shop/arcRead 10 October 2026Tech Specs Speech Enhancement and Night Sound entries.2Owner's manualsonos.com/en-us/guides/arcRead 10 October 2026Home theater settings: Speech enhancement and Night sound.
AI Speech Enhancement, Night Sound, Simulated Overhead Sound1Maker product pagesonos.com/en-us/shop/beam-ultraRead 8 October 2026
Automatic room calibration
Room calibration system
Dialogue enhancement
Night mode
Equalizer controls
Bass, Treble, Loudness1Maker product pagesonos.com/en-us/shop/arcRead 10 October 2026Tech Specs Adjustable EQ entry: bass, treble and loudness in the Sonos app.
Bass, Treble, Loudness1Maker product pagesonos.com/en-us/shop/beam-ultraRead 8 October 2026
TV speaker integration
Not available
Not available
Power
1 of 6 differ
Published operating power
Not available
Not available
Published standby power
Not available
Not available
Published networked standby power
Not available
Not available
Power supply
100-240 V AC, 50/60 Hz, 3.5 A2Owner's manualsonos.com/en-us/guides/arcRead 10 October 2026Product guide specifications: auto-switching 100-240 V, 50-60 Hz, 3.5 A AC universal input. This is an input rating, not consumption.
100-240 V AC, 50/60 Hz, internal power supply1Maker product pagesonos.com/en-us/shop/beam-ultraRead 8 October 2026
Detachable rear battery life
Not available
Not available
Detachable rear charge time
Not available
Not available
Measured
None of 8 known
Low-frequency extension (measured)
Not available
Not available
High-frequency extension (measured)
Not available
Not available
Max sound pressure (measured)
Not available
Not available
Frequency response deviation (measured)
Not available
Not available
Measured latency
Not available
Not available
Operating power (measured)
Not available
Not available
Standby power (measured)
Not available
Not available
Soundbar weight (measured)
Not available
Not available
Dimensions and weight
2 of 6 differ
Soundbar dimensions
Width1,141.7Height87Depth115.7mm(44.9 × 3.4 × 4.6 in)2Owner's manualsonos.com/en-us/guides/arcRead 10 October 2026Product guide specifications: 3.4 x 45 x 4.5 in (87 x 1141.7 x 115.7 mm), H x W x D. The shop page rounds to 1,142 x 87 x 116 mm.
Soundbar weight
Component dimensions and weight
Not available
Not available
Package dimensions
Not available
Not available
Package weight
Not available
Not available
In the box
1 of 4 differ
In the box
Sonos Arc, Power cord, HDMI cable, Optical audio adapter, Quickstart guide1Maker product pagesonos.com/en-us/shop/arcRead 10 October 2026Package contents on the guide specifications. The shop Box Contents tab lists the soundbar, power cable, HDMI cable and optical audio adapter.
Sonos Beam Ultra, Power cable, HDMI cable, Setup guide, Legal and warranty information1Maker product pagesonos.com/en-us/shop/beam-ultraRead 8 October 2026
Wall mount hardware included
General
4 of 7 differ
Series
Not available
Not available
Model numbers
GTIN / EAN
840136800019, 8401368000021Maker product pagesonos.com/en-us/shop/arcRead 10 October 2026Maker JSON-LD publishes these 12-digit US UPC values under the gtin13 key, matched to the black and white SKUs.
Not available
Announced
Status
Discontinued1Maker product pagesonos.com/en-us/shop/arcRead 10 October 2026Maker shop page marks the bar out of stock. Arc Ultra is its current product. The discontinued statement comes from the press source.15Reviewwhathifi.com/reviews/sonos-arcRead 10 October 2026Review update states the Sonos Arc has been discontinued and replaced by the Arc Ultra.
Predecessor
Not available
Not available
Successor
Sonos Arc Ultra15Reviewwhathifi.com/reviews/sonos-arcRead 10 October 2026Review update states the Arc was replaced by the Arc Ultra.
Not available
Launch price (US)
$79912Press articletechradar.com/reviews/sonos-arcRead 10 October 2026Review states the launch price was $799 for the standalone unit, before the later price increase to $899. Excludes US sales tax.13Press articletechradar.com/news/sonos-arc-enters-the-stratosphere-with-its-first-dolby-atmos-soundbarRead 10 October 2026News states a $799 launch price, with the UK and Australian prices alongside. Excludes US sales tax.15Reviewwhathifi.com/reviews/sonos-arcRead 10 October 2026Review header and price section state the Arc launched at $799, then rose to $899 in 2021.
Launch price (EU)
Not available
Markets
Not available
Not available
Links
Not compared
Product page
Spec sheet
Not available
Manual
EPREL registration number
Not available
Not available
Warranty
0 of 1 differ
Manufacturer warranty (source market)
Both are also in the API. Back to all soundbars.














