Soundbars / Compare

Sonos Arc vs Yamaha SR-B20A

A

Product A: Sonos

Arc

57 of 98 known

Change Sonos Arc

Compare the Yamaha SR-B20A with

Search soundbars

B

Product B: Yamaha

SR-B20A

46 of 98 known

Change Yamaha SR-B20A

Compare the Sonos Arc with

Search soundbars

All 98 fields

Every value links to where we found it.

Only differences

ASonos Arc

BYamaha SR-B20A

Audio system

6 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.

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.

Not available

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.

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.

63Owner's manualusa.yamaha.com/files/download/other_assets/3/1318413/web_AV19-0292_SR-B20A_ug_UCRABGV_En_D0.pdfRead 10 October 2026Specifications, printed page 73: two front L/R cone drivers, two tweeters and two subwoofer drivers, all inside the bar. No separate speaker is supplied.

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.

111Maker product pagesonos.com/en-us/shop/arcRead 10 October 2026Maker states eleven internal speakers, made of three tweeters and eight woofers on the Tech Specs tab.

63Owner's manualusa.yamaha.com/files/download/other_assets/3/1318413/web_AV19-0292_SR-B20A_ug_UCRABGV_En_D0.pdfRead 10 October 2026Specifications, printed page 73: front L/R x2, tweeter x2 and built-in subwoofer x2.

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

Not available

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.

ASonos Arc

Component	Driver type	Count
Soundbar	Silk dome tweeter	3
Soundbar	Elliptical woofer	8

Source1Maker product pagesonos.com/en-us/shop/arcRead 10 October 2026Tech Specs: three silk-dome tweeters and eight elliptical woofers. Driver sizes and orientations are not published.

BYamaha SR-B20A

Component	Driver type	Count	Diameter (mm)	Orientation
Soundbar	Front L/R cone driver	2	55	Up when the bar stands on a shelf, forward when wall mounted
Soundbar	Dome tweeter	2	25	Front edge when the bar stands on a shelf, down when wall mounted
Soundbar	Built-in subwoofer cone driver	2	75	Up when the bar stands on a shelf, forward when wall mounted

Source3Owner's manualusa.yamaha.com/files/download/other_assets/3/1318413/web_AV19-0292_SR-B20A_ug_UCRABGV_En_D0.pdfRead 10 October 2026Specifications, printed page 73: 5.5 cm (2-1/8 in) cone x2, 2.5 cm (1 in) dome x2, 7.5 cm (3 in) cone x2 in the built-in subwoofer.4Maker product pageeurope.yamaha.com/en/audio/home-audio/products/sound-bar/sr-b20aRead 10 October 2026European overview text: dual built-in 75 mm (3 in) subwoofer units, two 55 mm (2-1/8 in) woofers and two 25 mm (1 in) tweeters.6Reviewwhathifi.com/reviews/yamaha-sr-b20aRead 10 October 2026Review of March 2021 describes six drivers. Four fire upwards when the bar is benched and forward when it is wall mounted. These are the 55 mm mid-range units near each end and the 75 mm bass drivers. The two 25 mm tweeters sit on the front edge when benched or fire down when wall mounted. Sizes and counts come from the user guide.11Reviewtrustedreviews.com/reviews/yamaha-sr-b20aRead 10 October 2026Review says that on its feet the two 25 mm tweeters face forwards while the two 55 mm midrange drivers and the two 75 mm bass drivers fire upwards from the top. It also says the tweeters fire down when the bar is wall mounted.

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

No1Maker product pagesonos.com/en-us/shop/arcRead 10 October 2026Complete package contents on the Tech Specs tab. Separate Sonos subwoofers are optional.

No3Owner's manualusa.yamaha.com/files/download/other_assets/3/1318413/web_AV19-0292_SR-B20A_ug_UCRABGV_En_D0.pdfRead 10 October 2026The two subwoofer drivers are built into the bar. No separate subwoofer is supplied. A SUBWOOFER OUT jack allows an optional external one.

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.

02Owner's manualsonos.com/en-us/guides/arcRead 10 October 2026Package contents list no rear speakers. Rear speakers are optional.

03Owner's manualusa.yamaha.com/files/download/other_assets/3/1318413/web_AV19-0292_SR-B20A_ug_UCRABGV_En_D0.pdfRead 10 October 2026Supplied accessories list, printed page 9, has no rear speakers.

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.

No2Owner's manualsonos.com/en-us/guides/arcRead 10 October 2026Single-piece bar. Package contents list no detachable sections.

No3Owner's manualusa.yamaha.com/files/download/other_assets/3/1318413/web_AV19-0292_SR-B20A_ug_UCRABGV_En_D0.pdfRead 10 October 2026Single-piece bar. Part names show no detachable section.

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

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.

Not available

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

Not available

Not available

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

120W3Owner's manualusa.yamaha.com/files/download/other_assets/3/1318413/web_AV19-0292_SR-B20A_ug_UCRABGV_En_D0.pdfRead 10 October 2026Specifications, printed page 73: maximum rated output power is 30 W x 2 channels for front L/R plus 60 W for the subwoofer, 120 W in total. The guide gives no distortion or load condition, so it is stored as a maximum and not as an RMS value.5Reviewtechradar.com/reviews/yamaha-sr-b20a-sound-barRead 10 October 2026Review also quotes 120 watts of power, half for the two bass drivers.

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

8 of 9 differ

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

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.

No2Maker product pageusa.yamaha.com/products/audio_visual/sound_bar/sr-b20a/specs.htmlRead 10 October 2026Specs page lists only Dolby Digital, Dolby Pro Logic II and DTS Digital Surround. Dolby Atmos is not listed.

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

No1Maker product pagesonos.com/en-us/shop/arcRead 10 October 2026The maker format list names only DTS Digital Surround for DTS. DTS:X is not listed, so it is stored as not supported.

No3Owner's manualusa.yamaha.com/files/download/other_assets/3/1318413/web_AV19-0292_SR-B20A_ug_UCRABGV_En_D0.pdfRead 10 October 2026The decoder list has no DTS:X. DTS Virtual:X is a virtual 3D surround processing mode and does not establish DTS:X decoding.

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.

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.

PCM, Dolby Digital, DTS Digital Surround, Dolby Pro Logic II2Maker product pageusa.yamaha.com/products/audio_visual/sound_bar/sr-b20a/specs.htmlRead 10 October 2026Specs page comparison column for SR-B20A lists Dolby Digital yes, Dolby Pro Logic II yes and DTS Digital Surround yes. The page compares three Yamaha bars side by side and the middle column is the SR-B20A.

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.

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.

BYamaha SR-B20A

Connection	Format	Max input channels
HDMI ARC	PCM	2
HDMI ARC	Dolby Digital	6
HDMI ARC	DTS Digital Surround	6
Optical	PCM	2
Optical	Dolby Digital	6
Optical	DTS Digital Surround	6

Source3Owner's manualusa.yamaha.com/files/download/other_assets/3/1318413/web_AV19-0292_SR-B20A_ug_UCRABGV_En_D0.pdfRead 10 October 2026Specifications, printed page 73: HDMI (ARC) and optical input accept PCM up to 2 channels, Dolby Digital up to 5.1 channels and DTS Digital Surround up to 5.1 channels. Max channels count the 5.1 layout as 6.

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

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.

Not available

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

96kHz3Owner's manualusa.yamaha.com/files/download/other_assets/3/1318413/web_AV19-0292_SR-B20A_ug_UCRABGV_En_D0.pdfRead 10 October 2026Supported digital audio signal formats, printed page 76: 2-channel linear PCM at 32, 44.1, 48, 88.2 and 96 kHz for TV, OPTICAL and TV (ARC).

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.

48kHz5Maker product pagesupport.sonos.com/en-us/article/supported-audio-formats-for-sonos-music-libraryRead 10 October 2026Maker states local library files up to 48 kHz. Not a claim for HDMI input rates.

Not available

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

24bits3Owner's manualusa.yamaha.com/files/download/other_assets/3/1318413/web_AV19-0292_SR-B20A_ug_UCRABGV_En_D0.pdfRead 10 October 2026Supported digital audio signal formats, printed page 76: 2-channel linear PCM at 16, 20 and 24 bit for TV, OPTICAL and TV (ARC).

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.

24bits5Maker product pagesupport.sonos.com/en-us/article/supported-audio-formats-for-sonos-music-libraryRead 10 October 2026FLAC and ALAC up to 24-bit. AIFF and WAV are limited to 16-bit. FLAC and ALAC are limited to 16-bit in the Sonos S1 Controller app.

Not available

Connectivity

9 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.

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

Source2Owner's manualsonos.com/en-us/guides/arcRead 10 October 2026Connector panel: one HDMI port, one Join button, one Ethernet port and the AC input. The optical audio adapter attaches to the HDMI cable and is not a native socket. HDMI is a TV audio connection and not a source input.

BYamaha SR-B20A

Connector	Count	Role
HDMI	1	HDMI OUT/TV (ARC) output to the TV
Optical	2	Digital audio inputs labelled TV and OPTICAL
RCA	1	Mono analog SUBWOOFER OUT
USB-A	1	UPDATE ONLY, firmware update
AC power	1	Mains power input

Source3Owner's manualusa.yamaha.com/files/download/other_assets/3/1318413/web_AV19-0292_SR-B20A_ug_UCRABGV_En_D0.pdfRead 10 October 2026Rear part names, printed page 13: AC power input, reset button, SUBWOOFER OUT jack, UPDATE ONLY jack, OPTICAL input, TV input and HDMI OUT/TV (ARC). The TV input is a second optical jack. SUBWOOFER OUT is a mono RCA analog jack. The reset button is not stored.

HDMI ARC

Yes1Maker product pagesonos.com/en-us/shop/arcRead 10 October 2026Tech Specs HDMI eARC entry. Connects to the TV HDMI eARC or ARC port with the included HDMI cable.

Yes1Maker product pageusa.yamaha.com/products/audio_visual/sound_bar/sr-b20a/index.htmlRead 10 October 2026Overview: HDMI supporting ARC connects the TV and sound bar.

HDMI eARC

Yes1Maker product pagesonos.com/en-us/shop/arcRead 10 October 2026Tech Specs HDMI eARC entry and feature list.

No2Maker product pageusa.yamaha.com/products/audio_visual/sound_bar/sr-b20a/specs.htmlRead 10 October 2026Specs page lists the HDMI port as 1 out (TV ARC) with ARC yes and no eARC row. The user guide names the jack HDMI OUT/TV (ARC). The CinemaConfig listing marks eARC yes and is not used.11Reviewtrustedreviews.com/reviews/yamaha-sr-b20aRead 10 October 2026Full specs table of the Trusted Reviews review (28 December 2020) lists ARC/eARC as ARC.

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.

Yes1Maker product pageusa.yamaha.com/products/audio_visual/sound_bar/sr-b20a/index.htmlRead 10 October 2026Overview: with compatible TVs the single HDMI connection also controls the sound bar with the TV remote.

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

No15Reviewwhathifi.com/reviews/sonos-arcRead 10 October 2026Review lists no HDMI pass-through ports as a drawback.

No2Maker product pageusa.yamaha.com/products/audio_visual/sound_bar/sr-b20a/specs.htmlRead 10 October 2026Specs page lists HDMI 4K pass-through as No.

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.

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.

Yes1Maker product pageusa.yamaha.com/products/audio_visual/sound_bar/sr-b20a/index.htmlRead 10 October 2026Overview: Bluetooth streaming with easy switching between two devices.

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

Not available

5.03Owner's manualusa.yamaha.com/files/download/other_assets/3/1318413/web_AV19-0292_SR-B20A_ug_UCRABGV_En_D0.pdfRead 10 October 2026Specifications, printed page 74: Bluetooth version 5.0.

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

Not available

SBC, AAC3Owner's manualusa.yamaha.com/files/download/other_assets/3/1318413/web_AV19-0292_SR-B20A_ug_UCRABGV_En_D0.pdfRead 10 October 2026Specifications, printed page 74: sink function codecs SBC and AAC, profile A2DP.

Wi-Fi

Yes1Maker product pagesonos.com/en-us/shop/arcRead 10 October 2026Tech Specs WiFi entry.

No2Maker product pageusa.yamaha.com/products/audio_visual/sound_bar/sr-b20a/specs.htmlRead 10 October 2026Specs page lists Wi-Fi as No for the SR-B20A.

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.

802.11b/g/n6Maker product pagesupport.sonos.com/en-us/article/supported-wifi-modes-and-security-standards-for-sonos-productsRead 10 October 2026Dedicated support list names Arc under 802.11n, on top of the 802.11b/g baseline for all Sonos products. The 802.11n mode needs the current Sonos app and is not available after S1 setup.

Not available

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

2.4 GHz6Maker product pagesupport.sonos.com/en-us/article/supported-wifi-modes-and-security-standards-for-sonos-productsRead 10 October 2026Arc is not in the 5 GHz list. The product guide states 2.4 GHz routers.

Not available

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

100Mbps1Maker product pagesonos.com/en-us/shop/arcRead 10 October 2026Tech Specs Ethernet entry: 10/100 port.

Not available

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.

AirPlay 21Maker product pagesonos.com/en-us/shop/arcRead 10 October 2026Feature list names Apple AirPlay 2. Other service-level connect protocols are not stored.

Not available

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

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.

Not available

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

Yes2Owner's manualsonos.com/en-us/guides/arcRead 10 October 2026Specifications: four microphone array for voice control and Trueplay.

Not available

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.

Yes2Owner's manualsonos.com/en-us/guides/arcRead 10 October 2026Specifications state the LED is hardwired to the voice microphones for privacy control. The control is a capacitive touch button on the bar and not a rear mechanical switch.

Not available

Companion apps

Sonos7Maker product pagesupport.sonos.com/en-us/article/sonos-app-requirementsRead 10 October 2026Maker app is named Sonos.

Sound Bar Remote1Maker product pageusa.yamaha.com/products/audio_visual/sound_bar/sr-b20a/index.htmlRead 10 October 2026Overview names the Sound Bar Remote app for input, sound mode, Clear Voice and Bass Extension control.

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.

iOS, Android3Owner's manualusa.yamaha.com/files/download/other_assets/3/1318413/web_AV19-0292_SR-B20A_ug_UCRABGV_En_D0.pdfRead 10 October 2026Additional features: install Sound Bar Remote from the App Store or Google Play.

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

Yes1Maker product pagesonos.com/en-us/shop/arcRead 10 October 2026Maker describes grouping speakers in different rooms in one Sonos system.

No2Maker product pageusa.yamaha.com/products/audio_visual/sound_bar/sr-b20a/specs.htmlRead 10 October 2026Specs page lists Wi-Fi no, AirPlay no and MusicCast Surround no. The bar has no network connection.6Reviewwhathifi.com/reviews/yamaha-sr-b20aRead 10 October 2026Review states the bar has no networking of any kind.

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

No1Maker product pagesonos.com/en-us/shop/arcRead 10 October 2026Package contents list no separate remote. Control uses the TV remote, touch controls, voice or the app.

Yes3Owner's manualusa.yamaha.com/files/download/other_assets/3/1318413/web_AV19-0292_SR-B20A_ug_UCRABGV_En_D0.pdfRead 10 October 2026Supplied accessories list includes a remote control with a CR2025 battery already inserted.

Sound processing

5 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.

Stereo, Standard, Movie, Game1Maker product pageusa.yamaha.com/products/audio_visual/sound_bar/sr-b20a/index.htmlRead 10 October 2026Overview lists four sound modes: Stereo, Standard, Movie and Game. A separate 3D surround switch applies DTS Virtual:X.2Maker product pageusa.yamaha.com/products/audio_visual/sound_bar/sr-b20a/specs.htmlRead 10 October 2026Surround Mode row: Stereo, Standard, Movie, Game.

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.

Yes1Maker product pagesonos.com/en-us/shop/arcRead 10 October 2026Trueplay measures room acoustics with the microphones of an iOS device and tunes the EQ and height channels. Android is not supported for Trueplay on this model.

Not available

Room calibration system

Trueplay1Maker product pagesonos.com/en-us/shop/arcRead 10 October 2026Maker name is Trueplay.

Not available

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

Yes1Maker product pagesonos.com/en-us/shop/arcRead 10 October 2026Speech Enhancement setting boosts voice frequencies.

Yes1Maker product pageusa.yamaha.com/products/audio_visual/sound_bar/sr-b20a/index.htmlRead 10 October 2026Clear Voice makes dialogue and human voices more audible.

Night mode

Yes1Maker product pagesonos.com/en-us/shop/arcRead 10 October 2026Night Sound setting reduces the intensity of loud sounds.

Not available

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

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.

Subwoofer level, Bass Extension3Owner's manualusa.yamaha.com/files/download/other_assets/3/1318413/web_AV19-0292_SR-B20A_ug_UCRABGV_En_D0.pdfRead 10 October 2026Playback section: SUBWOOFER (+/-) adjusts the subwoofer volume alone. BASS EXT enables Bass Extension. There are no bass, treble or band controls.

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.

Not available

25W2Maker product pageusa.yamaha.com/products/audio_visual/sound_bar/sr-b20a/specs.htmlRead 10 October 2026Power consumption 25 W (Rated). This is a rated figure and not a measured or typical value.

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

Not available

0.2W3Owner's manualusa.yamaha.com/files/download/other_assets/3/1318413/web_AV19-0292_SR-B20A_ug_UCRABGV_En_D0.pdfRead 10 October 2026Specifications, printed page 74: 0.2 W with HDMI Control and Bluetooth Standby off. It is 0.5 W with them on.

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.

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.

AC 100-120 V, 50/60 Hz (USA, Canada, Taiwan and Mexico). AC 100-240 V, 50/60 Hz (UK, Europe and other areas)3Owner's manualusa.yamaha.com/files/download/other_assets/3/1318413/web_AV19-0292_SR-B20A_ug_UCRABGV_En_D0.pdfRead 10 October 2026Specifications, printed page 74. Input rating, not consumption.

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

2 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.

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.

Width910Height53Depth131mm(35.8 × 2.1 × 5.2 in)3Owner's manualusa.yamaha.com/files/download/other_assets/3/1318413/web_AV19-0292_SR-B20A_ug_UCRABGV_En_D0.pdfRead 10 October 2026Specifications, printed page 75: 910 x 53 x 131 mm (W x H x D) installed in front of a TV. Wall mounting with spacers is listed as 910 x 131 x 62 mm.

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

6,250g(13.8 lb)1Maker product pagesonos.com/en-us/shop/arcRead 10 October 2026Shop page gives 13.78 lb (6.25 kg), the same as the product guide.

3,200g(7.1 lb)3Owner's manualusa.yamaha.com/files/download/other_assets/3/1318413/web_AV19-0292_SR-B20A_ug_UCRABGV_En_D0.pdfRead 10 October 2026Specifications, printed page 75: 3.2 kg (7.1 lbs).

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

Not available

Not available

Package weightiShipping package including supplied components and packaging.

Not available

Not available

Wall mountable

Yes1Maker product pagesonos.com/en-us/shop/arcRead 10 October 2026Tech Specs Mounting entry gives a threaded mount socket and the maker sells wall mounts.

Yes1Maker product pageusa.yamaha.com/products/audio_visual/sound_bar/sr-b20a/index.htmlRead 10 October 2026Overview names keyholes for wall mounting.

In the box

3 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.

Sound bar, Remote control with CR2025 battery installed, Power cord, Digital optical audio cable, Spacers (2), Mounting template, Quick Start Guide, Safety Brochure3Owner's manualusa.yamaha.com/files/download/other_assets/3/1318413/web_AV19-0292_SR-B20A_ug_UCRABGV_En_D0.pdfRead 10 October 2026Supplied accessories, printed pages 9 and 10: sound bar, remote control with CR2025 battery, power cord, digital optical audio cable, 2 spacers, mounting template, Quick Start Guide and Safety Brochure.

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

No1Maker product pagesonos.com/en-us/shop/arcRead 10 October 2026Wall mount kit is sold separately.

No3Owner's manualusa.yamaha.com/files/download/other_assets/3/1318413/web_AV19-0292_SR-B20A_ug_UCRABGV_En_D0.pdfRead 10 October 2026Wall mounting steps: the supplied template and spacers are used with screws that are sold separately. No bracket or screws are supplied.

HDMI cable included

Yes1Maker product pagesonos.com/en-us/shop/arcRead 10 October 2026Box Contents lists an HDMI cable, 4.9 ft (1.5 m).14Reviewsoundguys.com/sonos-arc-review-118429Read 10 October 2026Review FAQ states the Arc comes with an HDMI cable in the box.

No3Owner's manualusa.yamaha.com/files/download/other_assets/3/1318413/web_AV19-0292_SR-B20A_ug_UCRABGV_En_D0.pdfRead 10 October 2026The guide names an HDMI cable as sold separately.6Reviewwhathifi.com/reviews/yamaha-sr-b20aRead 10 October 2026Review also states no HDMI cable is included.

Optical cable included

No1Maker product pagesonos.com/en-us/shop/arcRead 10 October 2026The included optical audio adapter attaches to the HDMI cable. It is not an optical cable.

Yes3Owner's manualusa.yamaha.com/files/download/other_assets/3/1318413/web_AV19-0292_SR-B20A_ug_UCRABGV_En_D0.pdfRead 10 October 2026Supplied accessories list a digital optical audio cable.

General

4 of 7 differ

Series

Not available

Not available

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

ARCG1US1BLK, ARCG1US11Maker product pagesonos.com/en-us/shop/arcRead 10 October 2026Maker ProductGroup JSON-LD lists the black and white US standalone soundbar SKUs.

SR-B20A, SR-B20ABL2Maker product pageusa.yamaha.com/products/audio_visual/sound_bar/sr-b20a/specs.htmlRead 10 October 2026Yamaha's pages and the user guide name the bar SR-B20A. A US retailer lists the black US model as SR-B20ABL.8Retailer pageworldwidestereo.com/products/yamaha-sr-b20abl-sound-bar-with-dual-built-in-subwoofersRead 10 October 2026US retailer page lists Model: SR-B20ABL for the black SR-B20A.

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

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

6 May 202013Press articletechradar.com/news/sonos-arc-enters-the-stratosphere-with-its-first-dolby-atmos-soundbarRead 10 October 2026News dated 6 May 2020 announces the Sonos Arc with pre-orders open.

18 August 20207Press articletrustedreviews.com/news/yamaha-announces-affordable-compact-soundbars-c20-b20-4045984Read 10 October 2026Trusted Reviews news dated 18 August 2020 announces the SR-C20A and SR-B20A. The article says the bars go on sale in the following months at 219 and 249 pounds.9Press articleavforums.com/news/yamaha-announces-sr-b20a-and-sr-c20a-soundbars.17884Read 10 October 2026AVForums news dated 18 August 2020 announces the SR-B20A and SR-C20A.

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.

Not available

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

Not available

Not available

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.

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

$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.

$199.9510Reviewreviewed.com/home-theater/content/yamaha-sr-b20a-soundbar-reviewRead 10 October 2026Reviewed review, updated 11 November 2020, lists Cost: $199.95 and an Amazon price of $219.95. Trusted Reviews lists USA RRP $199.95 too. TechRadar quotes $179 and What Hi-Fi $200.

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

Not available

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

Not available

Not available

ColoursiThe maker's own colour names

Black, White1Maker product pagesonos.com/en-us/shop/arcRead 10 October 2026Maker colour selector offers Black and White.13Press articletechradar.com/news/sonos-arc-enters-the-stratosphere-with-its-first-dolby-atmos-soundbarRead 10 October 2026News states matte black and matte white.

Black6Reviewwhathifi.com/reviews/yamaha-sr-b20aRead 10 October 2026Review describes a black fabric wrap. No other colour is offered on the maker page.

Links

Not compared

Product page

www.sonos.com/en-us/shop/arc1Maker product pagesonos.com/en-us/shop/arcRead 10 October 2026

usa.yamaha.com/products/audio_visual/sound_bar/sr-b20a/index.html1Maker product pageusa.yamaha.com/products/audio_visual/sound_bar/sr-b20a/index.htmlRead 10 October 2026Maker US product page for the exact model.

Spec sheet

Not available

usa.yamaha.com/products/audio_visual/sound_bar/sr-b20a/specs.html2Maker product pageusa.yamaha.com/products/audio_visual/sound_bar/sr-b20a/specs.htmlRead 10 October 2026

Manual

www.sonos.com/en-us/guides/arc2Owner's manualsonos.com/en-us/guides/arcRead 10 October 2026

usa.yamaha.com/files/download/other_assets/3/1318413/web_AV19-0292_SR-B20A_ug_UCRABGV_En_D0.pdf3Owner's manualusa.yamaha.com/files/download/other_assets/3/1318413/web_AV19-0292_SR-B20A_ug_UCRABGV_En_D0.pdfRead 10 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

1 of 1 differ

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.

1year11Maker product pagesonos.com/en-us/legal/terms-of-useRead 10 October 2026US new product warranty in section 10(a): one year after original purchase. It excludes statutory rights and extended protection.

Not available

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