Soundbars / Compare

Samsung HW-B400F vs Sonos Arc Ultra

A

Product A: Samsung

HW-B400F

43 of 98 known

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B

Product B: Sonos

Arc Ultra

60 of 98 known

Change Sonos Arc Ultra

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All 98 fields

Every value links to where we found it.

Only differences

ASamsung HW-B400F

BSonos Arc Ultra

Audio system

7 of 17 differ

System channel configurationiMaker-stated channel layout of the exact package, such as 5.1.2. This can include virtual channels. It is not a count of physical drivers. Optional speakers do not count.

2.02Maker spec sheet (PDF)content.abt.com/documents/180302/samsung-soundbar-HW-B400FZA-spec.pdfRead 13 October 2026Sheet lists Number of Channels 2.0 with two front drivers (left, right) and one built-in woofer. Subwoofer and rear speaker sizes are N/A.

9.1.42Owner's manualsonos.com/en-us/guides/arcultraRead 8 October 2026Maker-advertised standalone spatial-audio layout. Includes virtual channels. It is not the physical driver layout. RTINGS describes the physical layout as 5.1.2.

Physical drivers in the packageiCount of physical active speaker drivers across the supplied bar, subwoofer and rear speakers. Passive radiators, microphones and virtual channels do not count. A coaxial driver, such as KEF Uni-Q, counts once, as makers count it.

Not available

142Owner's manualsonos.com/en-us/guides/arcultraRead 8 October 2026Standalone reference package has no supplied external subwoofer or rear enclosures. Same active drivers as the bar.

Physical drivers in the bariCount of physical active speaker drivers in the soundbar alone. Passive radiators and virtual channels do not count. A coaxial driver, such as KEF Uni-Q, counts once, as makers count it.

Not available

142Owner's manualsonos.com/en-us/guides/arcultraRead 8 October 2026Active drivers only. Seven tweeters, six midwoofers and one Sound Motion woofer. Two membranes and four motors do not make the Sound Motion assembly multiple drivers.

Up-firing drivers in the packageiPhysical active drivers explicitly firing upwards across the supplied package. Virtual height channels and passive radiators do not count. A driver that fires upwards only when the bar is wall mounted is not counted.

Not available

22Owner's manualsonos.com/en-us/guides/arcultraRead 8 October 2026

Driver layoutiPublished physical driver layout for the supplied components. A row names one driver type in one component. Do not translate channel count into driver count.

ASamsung HW-B400F

Not available

BSonos Arc Ultra

Component	Driver type	Count	Orientation
Soundbar	Silk-dome tweeter	5	Angled
Soundbar	Silk-dome tweeter	2	Up-firing
Soundbar	Midwoofer	6	Not available
Soundbar	Sound Motion woofer	1	Not available

Source2Owner's manualsonos.com/en-us/guides/arcultraRead 8 October 2026Manual and product-page Audio specifications. Five angled tweeters and two up-firing tweeters split the published seven. No diameters are published.

Separate subwoofer includediA separate powered subwoofer is supplied with the reference package. A built-in woofer does not count.

No2Maker spec sheet (PDF)content.abt.com/documents/180302/samsung-soundbar-HW-B400FZA-spec.pdfRead 13 October 2026

No1Maker product pagesonos.com/en-us/shop/arc-ultraRead 8 October 2026Complete standalone-bar box contents. Separate Sonos subwoofers are optional.

Included subwoofer connectioniAudio link used by the supplied separate subwoofer. Wireless subwoofers can still require an AC power cable.

Not available

Not available

Included subwoofer driver diameteriPublished diameter of an active driver in the supplied separate subwoofer. Do not use enclosure size or passive radiator size.

Not available

Not available

Rear speakers includediCount of separate rear speaker enclosures supplied with the reference package. Detachable bar ends count when usable as rears. Optional rear speakers do not count.

02Maker spec sheet (PDF)content.abt.com/documents/180302/samsung-soundbar-HW-B400FZA-spec.pdfRead 13 October 2026

01Maker product pagesonos.com/en-us/shop/arc-ultraRead 8 October 2026Complete standalone-bar box contents. Rear speakers are optional.

Included rear speaker connectioniAudio link to the supplied rear speaker enclosures. Their power connection is separate.

Not available

Not available

Detachable rear speakersiThe bar has supplied detachable end sections usable as separate rear speakers.

Not available

Not available

Compatible optional subwoofersiMaker-named compatible additional subwoofer models. These do not contribute to the reference package layout, dimensions or measurements.

Not available

Sub (Gen 1), Sub (Gen 2), Sub (Gen 3), Sub 4, Sub Mini10Maker product pagesupport.sonos.com/en-us/article/set-up-your-sonos-subRead 8 October 2026Sub 1/2/3 support all home theater speakers. Sub 4 supports all except Playbar/Playbase. Sub Mini has separate support list. Arc Ultra dual-Sub setup requires two Sub 4/Gen 3 units, not Gen 1/2.11Maker product pagesupport.sonos.com/en-us/article/sonos-products-that-support-sub-miniRead 8 October 2026Home Theater list explicitly includes Arc Ultra, Beam (Gen 2) and Ray for Sub Mini.

Compatible optional rear speakersiMaker-named compatible additional rear speaker models. These do not contribute to the reference package layout, dimensions or measurements.

Not available

Era 100, Era 30013Maker product pagesonos.com/en-us/shop/arc-ultraRead 8 October 2026Optional Sonos rear-speaker sets on the product page. Supplied package remains the standalone bar.

Total RMS audio output poweriMaker-stated RMS or rated continuous amplifier output for the exact supplied package. Peak or unspecified maximum claims do not qualify. Distortion, load and rating conditions belong in the source note. Power consumption is separate.

Not available

Not available

Total peak audio output poweriMaker-stated peak or maximum amplifier output for the exact supplied package. This is separate from RMS or continuous output and from electrical consumption. Rating conditions belong in the source note.

Not available

Not available

Published frequency response lower limitiMaker-published lower limit for the exact supplied package. Tolerance and test conditions belong in the source note. Reviewer extension measurements are separate.

Not available

Not available

Published frequency response upper limitiMaker-published upper limit for the exact supplied package. Tolerance and test conditions belong in the source note.

Not available

Not available

Audio formats

7 of 9 differ

Dolby AtmosiExplicit support for Dolby Atmos playback. Transport codec and connection restrictions belong in source notes.

No2Maker spec sheet (PDF)content.abt.com/documents/180302/samsung-soundbar-HW-B400FZA-spec.pdfRead 13 October 2026

Yes1Maker product pagesonos.com/en-us/shop/arc-ultraRead 8 October 2026Dolby Atmos via Dolby Digital Plus uses ARC or eARC. Dolby TrueHD and Dolby MAT Atmos require eARC.

DTS:XiExplicit support for DTS:X playback. Virtual surround processing alone does not establish DTS:X decoding.

Not available

No15Press articletechradar.com/televisions/soundbars/sonys-new-dolby-atmos-soundbar-does-all-the-things-the-sonos-arc-ultra-doesnt-for-a-lower-price-and-its-expandable-for-home-theater-like-sonos-tooRead 8 October 2026Explicitly states DTS:X is unsupported by Sonos.

Supported audio formatsiAudio formats explicitly decoded by the device. Codec and connection restrictions belong in source notes. Bluetooth codecs and music-file formats are separate.

Dolby Digital, DTS, LPCM2Maker spec sheet (PDF)content.abt.com/documents/180302/samsung-soundbar-HW-B400FZA-spec.pdfRead 13 October 2026Sheet lists Dolby 2ch and DTS 2ch as Yes. Dolby 5.1ch, Dolby Digital Plus, DTS 5.1ch and DTS-HD are No. The manual lists LPCM 2ch, Dolby Digital and DTS.

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)4Maker product pagesupport.sonos.com/en-us/article/supported-home-theater-audio-formatsRead 8 October 2026Current Sonos app. Dolby TrueHD, multichannel PCM and MAT require eARC. DTS Digital Surround is not an indication of a licensed decoder.

Audio formats by connectioniExplicitly supported audio decoding combinations. Max input channels counts decoded input audio channels, including LFE. A 5.1 layout has 6 channels and 7.1 has 8. Output speaker layouts and Atmos objects do not count. Atmos over Dolby Digital Plus and over Dolby TrueHD are separate rows. Format support on one input does not prove support on another.

ASamsung HW-B400F

Not available

BSonos Arc 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)

Source4Maker product pagesupport.sonos.com/en-us/article/supported-home-theater-audio-formatsRead 8 October 2026Ray has an optical audio input. ARC/eARC combinations are stated for Arc Ultra and Beam (Gen 2). Optical adapter paths for the HDMI bars are not treated as native optical ports.

Music file formatsiPublished local or network music-file playback formats. Playback route and app restrictions belong in source notes.

MP3, AAC, WAV, FLAC2Maker spec sheet (PDF)content.abt.com/documents/180302/samsung-soundbar-HW-B400FZA-spec.pdfRead 13 October 2026Sheet lists MP3, AAC, FLAC and WAV as Yes. OGG, ALAC and AIFF are No. The manual adds the M4A extension for AAC.

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 8 October 2026Local network music-library playback through the current Sonos app. Mono or stereo files. This is separate from HDMI/optical theater formats.

Max wired audio sample rateiHighest explicitly published supported sample rate for decoded wired audio input. Name the exact HDMI, ARC, eARC or optical connection and codec in source notes. This is the published route limit, not proof of a device-wide maximum across all inputs. Local or network music-file limits and Bluetooth do not qualify. A chipset limit is not device evidence.

Not available

Not available

Max music file sample rateiHighest explicitly published supported local or network music-file sample rate. Name the playback route and file format in source notes. This is the published route and format limit, not proof of a device-wide maximum across all music formats. Wired HDMI or optical input and Bluetooth are separate.

192kHz3Owner's manualdownloadcenter.samsung.com/content/UM/202511/20251124043925001/HW-B400F_ZA_WUG_01_ENG_251021.0.pdfRead 13 October 2026USB playback table: WAV (LPCM) and FLAC from 32 kHz to 192 kHz. MP3 and AAC are limited to 48 kHz. Bit depth is not stated.

48kHz5Maker product pagesupport.sonos.com/en-us/article/supported-audio-formats-for-sonos-music-libraryRead 8 October 2026Published local music-library maximum. Not a claim that HDMI/optical input rates match this route.

Max wired audio bit depthiHighest explicitly published supported bit depth for decoded wired audio input. Name the exact HDMI, ARC, eARC or optical connection and codec in source notes. This is the published route limit, not proof of a device-wide maximum across all inputs. Local or network music-file limits and Bluetooth do not qualify.

Not available

Not available

Max music file bit depthiHighest explicitly published supported local or network music-file bit depth. Name the playback route and file format in source notes. This is the published route and format limit, not proof of a device-wide maximum across all music formats. Wired HDMI or optical input and Bluetooth are separate.

Not available

24bits5Maker product pagesupport.sonos.com/en-us/article/supported-audio-formats-for-sonos-music-libraryRead 8 October 2026FLAC and ALAC local network music-library playback on the current app. AIFF and WAV are limited to 16 bits.

Connectivity

7 of 17 differ

Ports on the bariPhysical connectors on the soundbar alone. Record input, output, ARC or eARC, service, subwoofer and power roles explicitly. Count identical connectors per row. Component connectors are described in source notes.

ASamsung HW-B400F

Connector	Count	Role
HDMI	1	TV output with ARC
Optical	1	Digital audio input
USB-A	1	Music playback from a USB storage device
AC power	1	Soundbar power input

Source3Owner's manualdownloadcenter.samsung.com/content/UM/202511/20251124043925001/HW-B400F_ZA_WUG_01_ENG_251021.0.pdfRead 13 October 2026Bottom panel: POWER, HDMI (ARC), DIGITAL AUDIO IN (OPTICAL) and USB (5V 0.5A) for music files.

BSonos Arc Ultra

Connector	Count	Version	Role
HDMI	1	Not available	TV audio return input (ARC/eARC)
Ethernet	1	10/100 Mbps	Network input
AC power	1	Not available	Mains power input

Source2Owner's manualsonos.com/en-us/guides/arcultraRead 8 October 2026User guide Connector panel. HDMI is a TV audio return port and not a source-input/video-passthrough port. Optical adapter is not a native optical socket.

HDMI ARC

Yes2Maker spec sheet (PDF)content.abt.com/documents/180302/samsung-soundbar-HW-B400FZA-spec.pdfRead 13 October 2026

Yes1Maker product pagesonos.com/en-us/shop/arc-ultraRead 8 October 2026

HDMI eARC

No2Maker spec sheet (PDF)content.abt.com/documents/180302/samsung-soundbar-HW-B400FZA-spec.pdfRead 13 October 2026

Yes1Maker product pagesonos.com/en-us/shop/arc-ultraRead 8 October 2026

HDMI-CEC

Yes2Maker spec sheet (PDF)content.abt.com/documents/180302/samsung-soundbar-HW-B400FZA-spec.pdfRead 13 October 2026

Yes12Maker product pagesupport.sonos.com/en-us/article/tv-requirements-for-sonos-home-theater-speakersRead 8 October 2026TV control uses the HDMI ARC/eARC link. CEC control is unavailable through the optical adapter.

HDMI video passthroughiCan pass video from a dedicated HDMI source input to a television output. ARC or eARC alone does not qualify.

No2Maker spec sheet (PDF)content.abt.com/documents/180302/samsung-soundbar-HW-B400FZA-spec.pdfRead 13 October 2026

No15Press articletechradar.com/televisions/soundbars/sonys-new-dolby-atmos-soundbar-does-all-the-things-the-sonos-arc-ultra-doesnt-for-a-lower-price-and-its-expandable-for-home-theater-like-sonos-tooRead 8 October 2026Explicitly says Arc Ultra lacks HDMI video passthrough.

Video passthrough modesiPublished supported passthrough combinations, not inferred maxima at untested resolutions. State chroma, bit depth, HDR and firmware restrictions in source notes.

Not available

Not available

HDR passthrough formats

Not available

Not available

VRR passthrough

Not available

Not available

ALLM passthrough

Not available

Not available

HDCP versioniHighest HDCP version the maker states for an HDMI port of the soundbar, such as 2.3. When the source inputs and the TV output differ, the source input version is stored. A bar with no HDMI input stores the version of its TV output, also when that output carries video from a built-in streaming player.

Not available

Not available

Bluetooth audio inputiCan receive audio from a Bluetooth source. A Bluetooth remote alone does not qualify.

Yes2Maker spec sheet (PDF)content.abt.com/documents/180302/samsung-soundbar-HW-B400FZA-spec.pdfRead 13 October 2026

Yes1Maker product pagesonos.com/en-us/shop/arc-ultraRead 8 October 2026

Bluetooth versioniPublished version of the soundbar audio connection. An optional remote or detachable rear can use a different version.

4.22Maker spec sheet (PDF)content.abt.com/documents/180302/samsung-soundbar-HW-B400FZA-spec.pdfRead 13 October 2026

5.31Maker product pagesonos.com/en-us/shop/arc-ultraRead 8 October 2026

Bluetooth audio codecsiExplicitly supported codecs for received Bluetooth audio. A Bluetooth version alone does not establish a codec.

Not available

Not available

Wi-Fi

No2Maker spec sheet (PDF)content.abt.com/documents/180302/samsung-soundbar-HW-B400FZA-spec.pdfRead 13 October 2026

Yes1Maker product pagesonos.com/en-us/shop/arc-ultraRead 8 October 2026

Wi-Fi standardiPublished Wi-Fi standards for the soundbar, written as 802.11 names without IEEE, such as "802.11a/b/g/n/ac/ax". A Wi-Fi generation is written as its standard, so Wi-Fi 5 is "802.11ac" and Wi-Fi 6 is "802.11ax". Do not infer the standard from frequency bands.

Not available

802.11a/b/g/n/ac/ax3Maker product pagesupport.sonos.com/en-us/article/supported-wifi-modes-and-security-standards-for-sonos-productsRead 8 October 2026Dedicated device-mode support list. General user-guide router compatibility text is not device-protocol evidence.

Wi-Fi bandsiPublished radio bands, such as 2.4 GHz and 5 GHz.

Not available

2.4 GHz, 5 GHz3Maker product pagesupport.sonos.com/en-us/article/supported-wifi-modes-and-security-standards-for-sonos-productsRead 8 October 2026Router uplink bands from the dedicated support list. Surround speaker radio links are separate.

Built-in Ethernet speediRated speed of the built-in port. An optional adapter does not count.

Not available

100Mbps1Maker product pagesonos.com/en-us/shop/arc-ultraRead 8 October 2026

Streaming and control

8 of 8 differ

Streaming protocolsiNamed network playback protocols, such as AirPlay 2, Google Cast, Spotify Connect and Tidal Connect. Bluetooth is separate.

Not available

AirPlay 2, Spotify Connect, Tidal Connect1Maker product pagesonos.com/en-us/shop/arc-ultraRead 8 October 202614Reviewwhathifi.com/reviews/sonos-arc-ultraRead 8 October 2026Tech specs identify Spotify Connect and Tidal Connect. AirPlay 2 confirmed by maker.

Voice assistantsiNamed assistants supported by the soundbar. Built-in and external-device routes and market restrictions belong in source notes.

Not available

Sonos Voice Control, Amazon Alexa1Maker product pagesonos.com/en-us/shop/arc-ultraRead 8 October 2026Built-in voice services. Availability varies by country and language.

Built-in microphoneiPhysical microphone in the bar for voice or calibration. An external setup phone or remote microphone does not count.

Not available

Yes1Maker product pagesonos.com/en-us/shop/arc-ultraRead 8 October 2026

Microphone mute controliA physical control on the soundbar explicitly disables its built-in voice microphone. State whether this is an electrical switch or software-controlled button when known.

Not available

Yes1Maker product pagesonos.com/en-us/shop/arc-ultraRead 8 October 2026Rear physical switch disconnects power to the microphones.

Companion apps

Not available

Sonos1Maker product pagesonos.com/en-us/shop/arc-ultraRead 8 October 2026

Companion app platforms

Not available

iOS, iPadOS, Android, Fire OS, macOS, Windows, Web6Maker product pagesupport.sonos.com/en-us/article/sonos-app-requirementsRead 8 October 2026Current app: iOS/iPadOS 18+, Android 10+, Fire OS 7+. Desktop macOS 10.12+/Windows 8+. Desktop and web have limited system setup features. Mobile iOS or Android required for initial setup.

Multiroom audioiCan play synchronised audio with other rooms through a supported network platform. Optional surround expansion alone does not qualify.

Not available

Yes13Maker product pagesonos.com/en-us/shop/arc-ultraRead 8 October 2026

Remote includediA separate remote control supplied with the reference package. Phone apps and TV remotes do not count.

Yes2Maker spec sheet (PDF)content.abt.com/documents/180302/samsung-soundbar-HW-B400FZA-spec.pdfRead 13 October 2026

No1Maker product pagesonos.com/en-us/shop/arc-ultraRead 8 October 2026Complete box contents contain no separate remote. Control uses a TV remote, touch controls or the app.

Sound processing

4 of 7 differ

Sound modes

Standard, Surround2Maker spec sheet (PDF)content.abt.com/documents/180302/samsung-soundbar-HW-B400FZA-spec.pdfRead 13 October 2026Sheet lists Surround Sound Expansion as Yes and Adaptive Sound and Game Mode as No. The manual names the two modes Standard and Surround.

Speech Enhancement, Night Sound1Maker product pagesonos.com/en-us/shop/arc-ultraRead 8 October 2026

Automatic room calibrationiExplicit acoustic measurement or analysis used to adapt playback to the room. Manual EQ alone does not qualify. Setup phone requirements belong in source notes.

No4Maker product pagesamsung.com/au/audio-devices/soundbar/b400f-black-hw-b400f-xyRead 13 October 2026Page lists SpaceFit Sound Pro as No.

Yes1Maker product pagesonos.com/en-us/shop/arc-ultraRead 8 October 2026Trueplay measures room acoustics. Quick tuning works with Android or iOS. Advanced tuning requires an iOS device.

Room calibration system

Not available

Trueplay1Maker product pagesonos.com/en-us/shop/arc-ultraRead 8 October 2026

Dialogue enhancementiA dialogue or voice mode counts, also when the maker lists it as an EQ preset.

Yes2Maker spec sheet (PDF)content.abt.com/documents/180302/samsung-soundbar-HW-B400FZA-spec.pdfRead 13 October 2026

Yes1Maker product pagesonos.com/en-us/shop/arc-ultraRead 8 October 2026

Night mode

Yes2Maker spec sheet (PDF)content.abt.com/documents/180302/samsung-soundbar-HW-B400FZA-spec.pdfRead 13 October 2026

Yes1Maker product pagesonos.com/en-us/shop/arc-ultraRead 8 October 2026

Equalizer controlsiPublished user-adjustable EQ controls. Bass and treble controls are distinct from multi-band EQ.

Bass, Treble, Woofer level, 7-band graphic EQ3Owner's manualdownloadcenter.samsung.com/content/UM/202511/20251124043925001/HW-B400F_ZA_WUG_01_ENG_251021.0.pdfRead 13 October 2026Woofer (bass) level -6 to +6. Treble and bass tone control in modes other than Standard. 7-band EQ at 150 Hz, 300 Hz, 600 Hz, 1.2 kHz, 2.5 kHz, 5 kHz and 10 kHz, -6 to +6, in Standard mode only.

Bass, Treble, Loudness1Maker product pagesonos.com/en-us/shop/arc-ultraRead 8 October 2026

TV speaker integrationiNamed features allowing compatible television speakers to play with the bar. TV models and connection requirements belong in source notes.

Not available

Not available

Power

3 of 6 differ

Published operating poweriMaker-published operating electrical consumption of the soundbar alone. Included subwoofer and rear-speaker consumption do not count. Keep workload and method in source notes. Audio amplifier output is separate.

20W5Maker product pagesamsung.com/africa_en/audio-devices/soundbar/b400f-black-hw-b400f-xaRead 13 October 2026Samsung Africa HW-B400F/XA page lists Operating Power Consumption (Main) 20 W. The Australian HW-B400F/XY page lists the same 20 W. These are regional pages. Their gross package size and weight match the US sheet. The US sheet gives no power figure.

Not available

Published standby poweriMaker-published non-networked standby consumption of the bar alone. Networked standby and other components are separate.

0.5W5Maker product pagesamsung.com/africa_en/audio-devices/soundbar/b400f-black-hw-b400f-xaRead 13 October 2026Same page lists Stand-by Power Consumption (Main) 0.5 W. The Australian page lists 0.5 W under Power.

Not available

Published networked standby poweriMaker-published networked standby consumption of the bar alone. Enabled radio and network conditions belong in source notes.

Not available

Not available

Power supplyiPublished AC input range or external DC adapter arrangement. Electrical input ratings are not operating consumption.

Not available

100-240 V AC, 50/60 Hz, internal power supply1Maker product pagesonos.com/en-us/shop/arc-ultraRead 8 October 2026

Detachable rear battery lifeiMaker-stated runtime of the supplied detachable rear speakers. Volume, mode and recharge conditions belong in source notes.

Not available

Not available

Detachable rear charge timeiMaker-stated full recharge time of supplied detachable rear speakers. Charging route belongs in source notes.

Not available

Not available

Measured

None of 8 known

Low-frequency extension (measured)iReviewer-measured lower extension for the exact tested package. Test threshold, mode, room correction and configuration belong in source notes.

Not available

Not available

High-frequency extension (measured)iReviewer-measured upper extension for the exact tested package. Test threshold and configuration belong in source notes.

Not available

Not available

Max sound pressure (measured)iReviewer-measured maximum sound pressure. Signal, distance, sound mode and supplied or optional speaker configuration belong in source notes.

Not available

Not available

Frequency response deviation (measured)iReviewer-measured standard error against the stated target. Target, averaging range, preset and test method belong in source notes.

Not available

Not available

Measured latencyiReviewer-measured audio latency. Keep source/TV, firmware, codec, synchronisation correction and exact tested speaker configuration in source notes. Negative offsets are valid when the method reports them.

Not available

Not available

Operating power (measured)iReviewer-measured operating consumption of the soundbar alone. Optional or supplied external speakers do not count. Workload and enabled radio conditions belong in source notes.

Not available

Not available

Standby power (measured)iReviewer-measured bar-only standby consumption. Network state and test conditions belong in source notes.

Not available

Not available

Soundbar weight (measured)iReviewer-measured bar-only weight. Excludes subwoofer, rears, mounting hardware and cables.

Not available

Not available

Dimensions and weight

4 of 6 differ

Soundbar dimensionsiBar alone in its normal tabletop orientation, without detachable rears, wall brackets or external cables. A source that includes detachable ends must use component_dimensions instead. A size labelled L x W x H, as on Amazon, is width x depth x height.

Width641Height66.5Depth107mm(25.2 × 2.6 × 4.2 in)3Owner's manualdownloadcenter.samsung.com/content/UM/202511/20251124043925001/HW-B400F_ZA_WUG_01_ENG_251021.0.pdfRead 13 October 2026Specifications page: 641.0 x 66.5 x 107.0 mm. The manual says dimensions are approximate.

Width1,178Height75Depth110.6mm(46.4 × 3 × 4.4 in)2Owner's manualsonos.com/en-us/guides/arcultraRead 8 October 2026Current user guide Specifications, bar in tabletop orientation.

Soundbar weightiBar alone, without detachable rears, subwoofer, wall brackets or external cables. Source-published masses including detachable ends belong in component_dimensions.

2,100g(4.6 lb)3Owner's manualdownloadcenter.samsung.com/content/UM/202511/20251124043925001/HW-B400F_ZA_WUG_01_ENG_251021.0.pdfRead 13 October 2026Specifications page: 4.6 lbs (2.1 kg). The manual says weight is approximate.

5,900g(13 lb)2Owner's manualsonos.com/en-us/guides/arcultraRead 8 October 2026Current user guide Specifications, bar alone. Kilograms converted exactly to grams.

Component dimensions and weightiPublished dimensions and mass for named supplied components, including a bar with detachable rears attached when stated. Each row describes one enclosure, not the pair, unless the component label explicitly states a set. Width, height and depth use normal installed orientation.

Not available

Not available

Package dimensions

Width928Height120Depth155mm(36.5 × 4.7 × 6.1 in)2Maker spec sheet (PDF)content.abt.com/documents/180302/samsung-soundbar-HW-B400FZA-spec.pdfRead 13 October 2026Sheet packaging 36.54 x 4.72 x 6.1 in. Samsung Australia lists 928 x 120 x 155 mm, which agrees.

Not available

Package weightiShipping package including supplied components and packaging.

2,900g(6.4 lb)2Maker spec sheet (PDF)content.abt.com/documents/180302/samsung-soundbar-HW-B400FZA-spec.pdfRead 13 October 2026Sheet packaging weight 6.4 lb. Samsung Australia lists 2.9 kg gross weight.

Not available

Wall mountable

Yes3Owner's manualdownloadcenter.samsung.com/content/UM/202511/20251124043925001/HW-B400F_ZA_WUG_01_ENG_251021.0.pdfRead 13 October 2026Wall supports are built into the back of the bar. Fixing screws are not supplied.

Yes1Maker product pagesonos.com/en-us/shop/arc-ultraRead 8 October 2026

In the box

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In the box

Soundbar, Remote control, Remote batteries, Optical cable, Power cord3Owner's manualdownloadcenter.samsung.com/content/UM/202511/20251124043925001/HW-B400F_ZA_WUG_01_ENG_251021.0.pdfRead 13 October 2026Components page: soundbar main unit, remote control with batteries, power cord and optical cable.

Sonos Arc Ultra, Power cable, HDMI cable, Setup guide, Legal and warranty information1Maker product pagesonos.com/en-us/shop/arc-ultraRead 8 October 2026Product page Box Contents lists the standalone bar package.

Wall mount hardware includediSupplied bar mounting brackets or mount. Screws alone do not establish that a complete mount is included.

No2Maker spec sheet (PDF)content.abt.com/documents/180302/samsung-soundbar-HW-B400FZA-spec.pdfRead 13 October 2026

No1Maker product pagesonos.com/en-us/shop/arc-ultraRead 8 October 2026Sonos wall mount is sold separately.

HDMI cable included

No2Maker spec sheet (PDF)content.abt.com/documents/180302/samsung-soundbar-HW-B400FZA-spec.pdfRead 13 October 2026Sheet What's in the box: HDMI cable No, optical cable Yes, wall mount kit No.

Yes1Maker product pagesonos.com/en-us/shop/arc-ultraRead 8 October 2026

Optical cable included

Yes2Maker spec sheet (PDF)content.abt.com/documents/180302/samsung-soundbar-HW-B400FZA-spec.pdfRead 13 October 2026

No1Maker product pagesonos.com/en-us/shop/arc-ultraRead 8 October 2026Optical audio adapter sold separately. No optical cable supplied.

General

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Series

B-Series1Maker product pagesamsung.com/us/audio-devices/soundbar/b-series-soundbar-2-1-ch-subwoofer-sku-hw-b400f-zaRead 13 October 2026

Not available

Model numbersiMaker identifiers for this exact model and its listed variants. Excludes sibling models and other generations.

HW-B400F/ZA1Maker product pagesamsung.com/us/audio-devices/soundbar/b-series-soundbar-2-1-ch-subwoofer-sku-hw-b400f-zaRead 13 October 2026US page SKU is HW-B400F/ZA.

ARCG2US1BLK, ARCG2US11Maker product pagesonos.com/en-us/shop/arc-ultraRead 8 October 2026Maker ProductGroup JSON-LD lists the black and white US standalone soundbar SKUs.

GTIN / EAN

Not available

Not available

AnnouncediThe maker's first announcement of this model. This is separate from first retail availability.

15 April 20256Press releasenews.samsung.com/us/samsung-debuts-2025-soundbars-new-designs-improved-bass-enhanced-aiRead 13 October 2026

15 October 20249Press releasenewsroom.sonos.com/254655-sonos-reveals-arc-ultra-its-new-soundbar-featuring-sound-motionRead 8 October 2026

Status

Available1Maker product pagesamsung.com/us/audio-devices/soundbar/b-series-soundbar-2-1-ch-subwoofer-sku-hw-b400f-zaRead 13 October 2026US maker page offers the model with add to cart. Current page price is $139.99, which is not the launch price.

Available1Maker product pagesonos.com/en-us/shop/arc-ultraRead 8 October 2026

PredecessoriThe model this one directly replaced, in the same line, tier and size, as the maker or a trusted review names it.

Not available

Sonos Arc16Reviewwhathifi.com/reviews/sonos-arcRead 23 October 2026What Hi-Fi says the Sonos Arc was discontinued and replaced by the Arc Ultra.

SuccessoriThe model that directly replaced this one, in the same line, tier and size. A revision such as a Slim or OLED model does not count when a next generation exists.

Not available

Not available

Launch price (US)iThe maker's US launch MSRP for the stated configuration, excluding tax. Current store prices and later discounts do not qualify.

$1196Press releasenews.samsung.com/us/samsung-debuts-2025-soundbars-new-designs-improved-bass-enhanced-aiRead 13 October 2026US press release gives MSRP $119 for the HW-B400F, excluding sales tax.

$9998Maker spec sheet (PDF)assets.sonos.com/media-kits/hardware/sonos-arc-ultra/sonos-arc-ultrafactsheet.pdfRead 8 October 2026Official launch fact sheet USD price for the standalone bar, excluding US sales tax. Later shop prices are not launch prices.

Launch price (EU)iThe maker's euro launch price for the stated configuration, including VAT as published. Current store prices and later discounts do not qualify.

Not available

€9998Maker spec sheet (PDF)assets.sonos.com/media-kits/hardware/sonos-arc-ultra/sonos-arc-ultrafactsheet.pdfRead 8 October 2026Official launch fact sheet euro retail launch price as published for the standalone bar, including VAT.

MarketsiISO country or region codes where this exact model or variant is sold. A source page's language does not establish availability.

US1Maker product pagesamsung.com/us/audio-devices/soundbar/b-series-soundbar-2-1-ch-subwoofer-sku-hw-b400f-zaRead 13 October 2026

Not available

ColoursiThe maker's own colour names

Titan Black4Maker product pagesamsung.com/au/audio-devices/soundbar/b400f-black-hw-b400f-xyRead 13 October 2026Australian page lists the colour as Titan Black. The US colour name is not stated on the US page.

Black, White1Maker product pagesonos.com/en-us/shop/arc-ultraRead 8 October 2026The black and white standalone bar have the same acoustic hardware.

Links

Not compared

Product page

www.samsung.com/us/audio-devices/soundbar/b-series-soundbar-2-1-ch-subwoofer-sku-hw-b400f-za1Maker product pagesamsung.com/us/audio-devices/soundbar/b-series-soundbar-2-1-ch-subwoofer-sku-hw-b400f-zaRead 13 October 2026

www.sonos.com/en-us/shop/arc-ultra1Maker product pagesonos.com/en-us/shop/arc-ultraRead 8 October 2026

Spec sheet

content.abt.com/documents/180302/samsung-soundbar-HW-B400FZA-spec.pdf2Maker spec sheet (PDF)content.abt.com/documents/180302/samsung-soundbar-HW-B400FZA-spec.pdfRead 13 October 2026Samsung US spec sheet for HW-B400F/ZA, hosted as a copy by the retailer Abt. The maker's own copy was not found.

assets.sonos.com/media-kits/hardware/sonos-arc-ultra/sonos-arc-ultrafactsheet.pdf8Maker spec sheet (PDF)assets.sonos.com/media-kits/hardware/sonos-arc-ultra/sonos-arc-ultrafactsheet.pdfRead 8 October 2026

Manual

downloadcenter.samsung.com/content/UM/202511/20251124043925001/HW-B400F_ZA_WUG_01_ENG_251021.0.pdf3Owner's manualdownloadcenter.samsung.com/content/UM/202511/20251124043925001/HW-B400F_ZA_WUG_01_ENG_251021.0.pdfRead 13 October 2026

www.sonos.com/en-us/guides/arcultra1Maker product pagesonos.com/en-us/shop/arc-ultraRead 8 October 2026

EPREL registration numberiId in the EU energy label database. Each size or model of a series has its own id, so it is per variant.

Not available

Not available

Warranty

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Manufacturer warranty (source market)iThe maker's warranty period for the exact SKU or configuration and market named in the source note. It applies only to that stated market, not every regional variant. Statutory consumer rights are excluded. The base term is stored. An extension that needs registration goes in the source note.

1year3Owner's manualdownloadcenter.samsung.com/content/UM/202511/20251124043925001/HW-B400F_ZA_WUG_01_ENG_251021.0.pdfRead 13 October 2026US limited warranty: one year parts and labor. 90 days for commercial use.

1year7Maker product pagesonos.com/en-us/legal/terms-of-useRead 8 October 2026US new product manufacturer warranty, section 10(a). One year from original purchase. Excludes statutory rights and extended protection.

Both are also in the API. Back to all soundbars.