Soundbars / Compare
Bose Smart Ultra Soundbar vs Sonos Arc
Product A: Bose
56 of 98 known
Change Bose Smart Ultra Soundbar
Product B: Sonos
57 of 98 known
Change Sonos Arc
41 of 90 fields differ
- 27 different values
- 14 known for one only
- 18 the same
- 31 missing for both
Weight
0 to 30,000 g
Soundbar weight
A5,750g
B6,250g
All 98 fields
Every value links to where we found it.


Audio system
8 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
ABose Smart Ultra Soundbar
| Component | Driver type | Count | Diameter (mm) | Orientation |
|---|---|---|---|---|
| Soundbar | Racetrack full-range driver | 4 | Not available | Front-firing |
| Soundbar | Racetrack full-range driver | 2 | Not available | Up-firing |
| Soundbar | Tweeter | 3 | 25 | Not available |
BSonos Arc
| Component | Driver type | Count |
|---|---|---|
| Soundbar | Silk dome tweeter | 3 |
| Soundbar | Elliptical woofer | 8 |
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
Bose Bass Module 500, Bose Bass Module 7003Owner's manualassets.bosecreative.com/m/4e45f9f2aa42c8be/original/884437_OG_SUSB-SOUNDBAR_en.pdfRead 8 October 2026Optional accessories section.
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.
Compatible optional rear speakers
Bose Surround Speakers, Bose Surround Speakers 7003Owner's manualassets.bosecreative.com/m/4e45f9f2aa42c8be/original/884437_OG_SUSB-SOUNDBAR_en.pdfRead 8 October 2026Optional accessories section.
Not available
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
5 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.
DTS:X
Supported audio formats
LPCM, Dolby Digital, Dolby Digital Plus, Dolby TrueHD, Dolby MAT, Dolby Atmos, AAC9Maker product pagesupport.bose.co.uk/article/about-dolby-atmos-compatibility-smart-ultra-soundbarRead 8 October 202610Maker product pagesupport.bose.ca/article/susb-soundbar-determining-the-digital-audio-format---ka08c000001pxiaaauRead 8 October 2026Official app format list includes LPCM, Dolby Digital, Dolby Digital Plus, Dolby TrueHD, Dolby Atmos and AAC. Public indexed body read.
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.
Audio formats by connection
ABose Smart Ultra Soundbar
| Connection | Format |
|---|---|
| Optical | Dolby Digital 5.1 |
| HDMI ARC | Dolby Digital 5.1 |
| HDMI eARC | Dolby Digital 5.1 |
| HDMI ARC | Dolby Atmos (Dolby Digital Plus) |
| HDMI eARC | Dolby Atmos (Dolby Digital Plus) |
| HDMI eARC | Dolby Atmos (Dolby TrueHD) |
| HDMI eARC | Dolby Atmos (Dolby MAT) |
BSonos 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.
Music file formats
Not available
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.
Max wired audio sample rate
Not available
Not available
Max music file sample rate
Not available
Max wired audio bit depth
Not available
Not available
Connectivity
7 of 17 differ
Ports on the bar
ABose Smart Ultra Soundbar
| Connector | Count | Role |
|---|---|---|
| HDMI | 1 | TV audio input through ARC or eARC |
| Optical | 1 | Digital audio input |
| USB-C | 1 | Service only |
| Subwoofer | 1 | BASS output for compatible Bose bass module |
| 3.5 mm audio | 1 | IR connection for optional infrared emitter |
| AC power | 1 | Mains power input |
| Ethernet | 1 | Wired network connection |
| 3.5 mm audio | 1 | ADAPTiQ calibration headset input |
| 3.5 mm audio | 1 | DATA service connection |
Source3Owner's manualassets.bosecreative.com/m/4e45f9f2aa42c8be/original/884437_OG_SUSB-SOUNDBAR_en.pdfRead 8 October 2026Rear-panel diagram page 59. USB connector type separately confirmed by support or review.8Maker product pagesupport.bose.com.au/article/updating-the-software-or-firmware-of-your-smart-ultra-soundbarRead 8 October 2026Official update instructions explicitly identify USB-C SERVICE jack. Public indexed article text read. Direct support route renders an empty shell.
BSonos 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 |
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
Wi-Fi
Wi-Fi standard
Not available
Wi-Fi bands
Built-in Ethernet speed
Not available
Streaming and control
5 of 8 differ
Streaming protocols
Apple AirPlay 2, Google Cast, Spotify Connect2Maker product pagebose.com/p/home-theater/bose-smart-ultra-soundbar/SUSB-SOUNDBAR.htmlRead 8 October 2026
Voice assistants
Amazon Alexa, Google Assistant2Maker product pagebose.com/p/home-theater/bose-smart-ultra-soundbar/SUSB-SOUNDBAR.htmlRead 8 October 2026Alexa built in where available. Google Assistant requires a separate Google Home device.
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.
Built-in microphone
Microphone mute control
Companion apps
Companion app platforms
iOS, Android2Maker product pagebose.com/p/home-theater/bose-smart-ultra-soundbar/SUSB-SOUNDBAR.htmlRead 8 October 2026
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
Sound processing
4 of 7 differ
Sound modes
Automatic room calibration
Room calibration system
Dialogue enhancement
Night mode
Not available
Equalizer controls
TV speaker integration
Not available
Not available
Power
3 of 6 differ
Published operating power
Not available
Not available
Published standby power
Not available
Published networked standby power
Not available
Power supply
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
Width1,045Height58.2Depth106.9mm(41.1 × 2.3 × 4.2 in)4Maker product pagebose.co.jp/p/home-theater/bose-smart-ultra-soundbar/SUSB-SOUNDBAR.htmlRead 8 October 2026Technical Specifications metric dimensions. Bar alone.
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
2 of 4 differ
In the box
Smart Ultra Soundbar, HDMI cable, Optical cable, ADAPTiQ headset, Power cord, Remote control with battery, Quick start guide2Maker product pagebose.com/p/home-theater/bose-smart-ultra-soundbar/SUSB-SOUNDBAR.htmlRead 8 October 2026
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.
Wall mount hardware included
HDMI cable included
General
5 of 7 differ
Series
Not available
Not available
Model numbers
GTIN / EAN
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
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
Not available
Markets
US, GB, JP2Maker product pagebose.com/p/home-theater/bose-smart-ultra-soundbar/SUSB-SOUNDBAR.htmlRead 8 October 2026US, GB and JP maker pages offer this exact model.4Maker product pagebose.co.jp/p/home-theater/bose-smart-ultra-soundbar/SUSB-SOUNDBAR.htmlRead 8 October 2026
Not available
Links
Not compared
Product page
Spec sheet
Not available
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.
















