Soundbars / Compare

TCL S45H vs Yamaha SR-B20A

A

Product A: TCL

S45H

51 of 98 known

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B

Product B: Yamaha

SR-B20A

46 of 98 known

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All 98 fields

Every value links to where we found it.

Only differences

ATCL S45H

BYamaha SR-B20A

Audio system

10 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.

2.01Maker product pageus.tcl.com/products/tcl-s45h-s-class-2-0-channel-sound-bar-with-dolby-atmos-dts-virtual-x-and-bluetooth-music-streamingRead 15 October 2026Spec table description: 2.0 Channel Soundbar System. The feature list says 2.0 Channel S Class Sound Bar.

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.

21Maker product pageus.tcl.com/products/tcl-s45h-s-class-2-0-channel-sound-bar-with-dolby-atmos-dts-virtual-x-and-bluetooth-music-streamingRead 15 October 2026Spec table: Total Speakers 2.

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.

21Maker product pageus.tcl.com/products/tcl-s45h-s-class-2-0-channel-sound-bar-with-dolby-atmos-dts-virtual-x-and-bluetooth-music-streamingRead 15 October 2026Spec table: Total Speakers 2 for a system with no subwoofer. Driver sizes and layout are not published.

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.

05Press articlegstylemag.com/2024/05/15/tcl-2024-sound-bars-dolby-atmosRead 15 October 2026Release text: all new TCL sound bars feature Dolby Atmos, with the new Q Class models also including up-firing drivers. The S Class S45H is a 2.0 bar with a built-in bass reflex port.

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.

ATCL S45H

Not available

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.

No2Owner's manualstatic.helpjuice.com/helpjuice_production/uploads/upload/image/5306/6031214/S45H-US_UM_V2.1_20251230.pdfRead 15 October 2026What's in the box lists no subwoofer. The product is the 2.0 channel bar. The S55H is the model with a wireless subwoofer.

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 manualstatic.helpjuice.com/helpjuice_production/uploads/upload/image/5306/6031214/S45H-US_UM_V2.1_20251230.pdfRead 15 October 2026Box contents list no rear speakers.

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.

Not available

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.

Not available

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.

24.5W2Owner's manualstatic.helpjuice.com/helpjuice_production/uploads/upload/image/5306/6031214/S45H-US_UM_V2.1_20251230.pdfRead 15 October 2026Specifications: FTC Power Output Rating 24.5 W, impedance 8 ohm. Distortion is not stated. The rating covers the sound bar, which is the whole system.

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.

100W1Maker product pageus.tcl.com/products/tcl-s45h-s-class-2-0-channel-sound-bar-with-dolby-atmos-dts-virtual-x-and-bluetooth-music-streamingRead 15 October 2026Spec table Total Audio Power 100 and the feature list says up to 100 Watts Total Power. No rating conditions or RMS label are given. The EU S45HE is listed by retailers at 50 W and is a separate model.

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.

180Hz2Owner's manualstatic.helpjuice.com/helpjuice_production/uploads/upload/image/5306/6031214/S45H-US_UM_V2.1_20251230.pdfRead 15 October 2026Specifications: sound bar frequency response 180Hz-20KHz. There is no subwoofer, so the bar range is the system range. Bass comes from a built-in bass reflex port.

Not available

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

20kHz2Owner's manualstatic.helpjuice.com/helpjuice_production/uploads/upload/image/5306/6031214/S45H-US_UM_V2.1_20251230.pdfRead 15 October 2026Specifications: sound bar frequency response 180Hz-20KHz. No tolerance is stated.

Not available

Audio formats

7 of 9 differ

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

Yes1Maker product pageus.tcl.com/products/tcl-s45h-s-class-2-0-channel-sound-bar-with-dolby-atmos-dts-virtual-x-and-bluetooth-music-streamingRead 15 October 2026Spec table Dolby Processing: Dolby Atmos. The sheet lists two speakers and no height channel, so this is processing for a stereo bar.

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.

Not available

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.

Dolby Atmos1Maker product pageus.tcl.com/products/tcl-s45h-s-class-2-0-channel-sound-bar-with-dolby-atmos-dts-virtual-x-and-bluetooth-music-streamingRead 15 October 2026Spec table Dolby Processing: Dolby Atmos. DTS Virtual:X is listed as a processing feature, not as a decoded format.

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.

ATCL S45H

Not available

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, WMA, WAV, FLAC2Owner's manualstatic.helpjuice.com/helpjuice_production/uploads/upload/image/5306/6031214/S45H-US_UM_V2.1_20251230.pdfRead 15 October 2026USB playback supports MP3, WMA, WAV and FLAC on devices up to 64 GB, within 5 folder levels.

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.

Not available

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.

Not available

Not available

Connectivity

5 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.

ATCL S45H

Connector	Count	Role
HDMI	1	HDMI eARC/ARC connection to the TV
Optical	1	Digital optical audio input
3.5 mm audio	1	AUX audio input
USB-A	1	Music playback and firmware update, 5 V 500 mA max
AC power	1	Detachable AC power cord input

Source2Owner's manualstatic.helpjuice.com/helpjuice_production/uploads/upload/image/5306/6031214/S45H-US_UM_V2.1_20251230.pdfRead 15 October 2026Overview of the Sound Bar: AC input, AUX, HDMI (eARC), optical and USB Type A. USB is 5 V 500 mA max and is also used for firmware updates.

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

Yes2Owner's manualstatic.helpjuice.com/helpjuice_production/uploads/upload/image/5306/6031214/S45H-US_UM_V2.1_20251230.pdfRead 15 October 2026The manual says to connect the HDMI eARC connector to the TV HDMI (eARC/ARC) connector.

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 pageus.tcl.com/products/tcl-s45h-s-class-2-0-channel-sound-bar-with-dolby-atmos-dts-virtual-x-and-bluetooth-music-streamingRead 15 October 2026Spec table lists HDMI eARC with the value 2.0. The meaning of 2.0 is not explained, so no port version is stored. The manual calls the port HDMI eARC/ARC.

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 manualstatic.helpjuice.com/helpjuice_production/uploads/upload/image/5306/6031214/S45H-US_UM_V2.1_20251230.pdfRead 15 October 2026Manual tells the user to enable CEC on the TV for the HDMI eARC connection.

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.

No1Maker product pageus.tcl.com/products/tcl-s45h-s-class-2-0-channel-sound-bar-with-dolby-atmos-dts-virtual-x-and-bluetooth-music-streamingRead 15 October 2026Spec table: HDMI Input No. The only HDMI connector is the eARC connection to the TV.

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.

Yes2Owner's manualstatic.helpjuice.com/helpjuice_production/uploads/upload/image/5306/6031214/S45H-US_UM_V2.1_20251230.pdfRead 15 October 2026Specifications: Bluetooth with A2DP and AVRCP.

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.

5.21Maker product pageus.tcl.com/products/tcl-s45h-s-class-2-0-channel-sound-bar-with-dolby-atmos-dts-virtual-x-and-bluetooth-music-streamingRead 15 October 2026Spec table: Bluetooth Version 5.2. The manual agrees.2Owner's manualstatic.helpjuice.com/helpjuice_production/uploads/upload/image/5306/6031214/S45H-US_UM_V2.1_20251230.pdfRead 15 October 2026Specifications: Bluetooth version 5.2. No codec list is published.

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

Not available

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.

Not available

Not available

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

Not available

Not available

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

Not available

Not available

Streaming and control

2 of 8 differ

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

Not available

Not available

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

Not available

Not available

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

Not available

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.

Not available

Not available

Companion apps

TCL Home2Owner's manualstatic.helpjuice.com/helpjuice_production/uploads/upload/image/5306/6031214/S45H-US_UM_V2.1_20251230.pdfRead 15 October 2026The sound bar can be fully controlled via the TCL Home App.

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, Android4Maker product pagesupport.tcl.com/en_US/tcl-home-app-overviewRead 15 October 2026TCL support page says the TCL Home app runs on iOS 10.0 or higher and Android 5.0 or higher. The page does not name sound bars. The S45H manual says to control the sound bar with the TCL Home App from the app stores.

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.

Not available

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.

Yes2Owner's manualstatic.helpjuice.com/helpjuice_production/uploads/upload/image/5306/6031214/S45H-US_UM_V2.1_20251230.pdfRead 15 October 2026What's in the box shows a remote control with 2 AAA batteries. The remote is described in Overview of the Remote Control.

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

6 of 7 differ

Sound modes

Standard, Movie, Music, Voice, Game, Sports1Maker product pageus.tcl.com/products/tcl-s45h-s-class-2-0-channel-sound-bar-with-dolby-atmos-dts-virtual-x-and-bluetooth-music-streamingRead 15 October 2026Spec table EQ Settings: Standard, Movie, Music, Voice, Game, Sports.2Owner's manualstatic.helpjuice.com/helpjuice_production/uploads/upload/image/5306/6031214/S45H-US_UM_V2.1_20251230.pdfRead 15 October 2026Remote cycles Standard, Movie, Music, Voice, Game and Sports. Surround Enhance and Voice Enhance levels are separate.

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 pageus.tcl.com/products/tcl-s45h-s-class-2-0-channel-sound-bar-with-dolby-atmos-dts-virtual-x-and-bluetooth-music-streamingRead 15 October 2026Feature list: Ai Sonic Auto Room Calibration that tailors the sound to the room. The manual says scenes take effect only after being set in the TCL Home app.

Not available

Room calibration system

TCL AI Sonic-Adaptation1Maker product pageus.tcl.com/products/tcl-s45h-s-class-2-0-channel-sound-bar-with-dolby-atmos-dts-virtual-x-and-bluetooth-music-streamingRead 15 October 2026Spec table Room Calibration: TCL Ai Sonic. The manual names the remote menu AI Sonic-Adaptation.2Owner's manualstatic.helpjuice.com/helpjuice_production/uploads/upload/image/5306/6031214/S45H-US_UM_V2.1_20251230.pdfRead 15 October 2026Remote key opens the AI Sonic-Adaptation menu with Position 1, 2, 3 and OFF scenes. Scenes take effect only after being set in the TCL Home app.

Not available

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

Yes2Owner's manualstatic.helpjuice.com/helpjuice_production/uploads/upload/image/5306/6031214/S45H-US_UM_V2.1_20251230.pdfRead 15 October 2026Voice sound mode and a Voice Enhance key on the remote.

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

Yes2Owner's manualstatic.helpjuice.com/helpjuice_production/uploads/upload/image/5306/6031214/S45H-US_UM_V2.1_20251230.pdfRead 15 October 2026Night Mode key on the remote.

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

Bass, Treble2Owner's manualstatic.helpjuice.com/helpjuice_production/uploads/upload/image/5306/6031214/S45H-US_UM_V2.1_20251230.pdfRead 15 October 2026Treble and bass keys on the remote.

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.

TCL Tutti Choral2Owner's manualstatic.helpjuice.com/helpjuice_production/uploads/upload/image/5306/6031214/S45H-US_UM_V2.1_20251230.pdfRead 15 October 2026TCL Tutti Choral adds an Internal Speaker+Sound Bar (HDMI) TV output option. It works with some TCL TVs only.

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Power

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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.

38W2Owner's manualstatic.helpjuice.com/helpjuice_production/uploads/upload/image/5306/6031214/S45H-US_UM_V2.1_20251230.pdfRead 15 October 2026Specifications: power consumption 38W.

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.

0.5W2Owner's manualstatic.helpjuice.com/helpjuice_production/uploads/upload/image/5306/6031214/S45H-US_UM_V2.1_20251230.pdfRead 15 October 2026Published as < 0.5 W after a 3 second long press of the power button. The manual also lists < 2 W with the TCL Home app on after 19 minutes without signal. That figure is not stored as networked standby.

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

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

AC 100-240 V, 50/60 Hz, with a detachable AC power cord.2Owner's manualstatic.helpjuice.com/helpjuice_production/uploads/upload/image/5306/6031214/S45H-US_UM_V2.1_20251230.pdfRead 15 October 2026Specifications: Power Supply AC 100-240V 50/60Hz. The product page spec table lists the power cord as Detachable, 14V/2.0A, which the manual does not explain.

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

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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

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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.

Width810Height59.9Depth98mm(31.9 × 2.4 × 3.9 in)2Owner's manualstatic.helpjuice.com/helpjuice_production/uploads/upload/image/5306/6031214/S45H-US_UM_V2.1_20251230.pdfRead 15 October 2026Published as 31.89 x 2.36 x 3.86 in (W x H x D). Converted exactly and rounded to 0.1 mm. The S55H manual lists the same bar size.

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.

2,046g(4.5 lb)2Owner's manualstatic.helpjuice.com/helpjuice_production/uploads/upload/image/5306/6031214/S45H-US_UM_V2.1_20251230.pdfRead 15 October 2026Published as 4.51 lbs. Converted exactly and rounded to 1 g.

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

Width925.1Height150.1Depth163.1mm(36.4 × 5.9 × 6.4 in)1Maker product pageus.tcl.com/products/tcl-s45h-s-class-2-0-channel-sound-bar-with-dolby-atmos-dts-virtual-x-and-bluetooth-music-streamingRead 15 October 2026Spec table Package Size (WxHxD) 36.42 x 5.91 x 6.42 in. Converted exactly and rounded to 0.1 mm.

Not available

Package weightiShipping package including supplied components and packaging.

3,075g(6.8 lb)1Maker product pageus.tcl.com/products/tcl-s45h-s-class-2-0-channel-sound-bar-with-dolby-atmos-dts-virtual-x-and-bluetooth-music-streamingRead 15 October 2026Spec table Package Weight 6.78 lbs. Converted exactly and rounded to 1 g.

Not available

Wall mountable

Yes1Maker product pageus.tcl.com/products/tcl-s45h-s-class-2-0-channel-sound-bar-with-dolby-atmos-dts-virtual-x-and-bluetooth-music-streamingRead 15 October 2026Spec table: Wall Mountable Yes.

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

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In the box

Sound bar, HDMI cable, Remote control, 2 AAA batteries, Power cord, 2 wall anchors, 2 wall mount brackets, 2 wall mounting screws (M5 x 40 mm), Wall mount template, Warranty card, Manual2Owner's manualstatic.helpjuice.com/helpjuice_production/uploads/upload/image/5306/6031214/S45H-US_UM_V2.1_20251230.pdfRead 15 October 2026Manual What's in the box. The product page spec table also lists an RCA 3.5 mm cable as Yes, which the manual does not show. The manual says the audio cable is not supplied. The cable is left out.

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.

Yes1Maker product pageus.tcl.com/products/tcl-s45h-s-class-2-0-channel-sound-bar-with-dolby-atmos-dts-virtual-x-and-bluetooth-music-streamingRead 15 October 2026Spec table: Wall Mount kit Yes. The manual shows 2 brackets, 2 screws, 2 anchors and a template.2Owner's manualstatic.helpjuice.com/helpjuice_production/uploads/upload/image/5306/6031214/S45H-US_UM_V2.1_20251230.pdfRead 15 October 2026Manual wall mount steps use the supplied template, brackets, anchors and M5 x 40 mm screws.

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 pageus.tcl.com/products/tcl-s45h-s-class-2-0-channel-sound-bar-with-dolby-atmos-dts-virtual-x-and-bluetooth-music-streamingRead 15 October 2026Feature list says free HDMI cable. The manual box contents show an HDMI cable.2Owner's manualstatic.helpjuice.com/helpjuice_production/uploads/upload/image/5306/6031214/S45H-US_UM_V2.1_20251230.pdfRead 15 October 2026Box contents show an HDMI cable.

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 pageus.tcl.com/products/tcl-s45h-s-class-2-0-channel-sound-bar-with-dolby-atmos-dts-virtual-x-and-bluetooth-music-streamingRead 15 October 2026Spec table: Optical Cable No.

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

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Series

S Class1Maker product pageus.tcl.com/products/tcl-s45h-s-class-2-0-channel-sound-bar-with-dolby-atmos-dts-virtual-x-and-bluetooth-music-streamingRead 15 October 2026Spec table title: TCL S Class - S45H.

Not available

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

S45H1Maker product pageus.tcl.com/products/tcl-s45h-s-class-2-0-channel-sound-bar-with-dolby-atmos-dts-virtual-x-and-bluetooth-music-streamingRead 15 October 2026

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

Not available

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

13 May 20246Press articleaphnetworks.com/news/28662-tcl-reveals-2024-soundbars-dolby-atmos-and-auto-calibrationRead 15 October 2026Article of 2024-05-13, quoting CNET, reports the TCL announcement of the S45H and S55H.

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

Available1Maker product pageus.tcl.com/products/tcl-s45h-s-class-2-0-channel-sound-bar-with-dolby-atmos-dts-virtual-x-and-bluetooth-music-streamingRead 15 October 2026The TCL USA store offers the soundbar at 79.99 USD. The current price is not a launch price.

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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.

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.

$179.995Press articlegstylemag.com/2024/05/15/tcl-2024-sound-bars-dolby-atmosRead 15 October 2026The S45H is now available for 179.99 USD MSRP. US price, tax treatment not stated.

$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.

US5Press articlegstylemag.com/2024/05/15/tcl-2024-sound-bars-dolby-atmosRead 15 October 2026US launch.

Not available

ColoursiThe maker's own colour names

Not available

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

Links

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Product page

us.tcl.com/products/tcl-s45h-s-class-2-0-channel-sound-bar-with-dolby-atmos-dts-virtual-x-and-bluetooth-music-streaming1Maker product pageus.tcl.com/products/tcl-s45h-s-class-2-0-channel-sound-bar-with-dolby-atmos-dts-virtual-x-and-bluetooth-music-streamingRead 15 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

static.helpjuice.com/helpjuice_production/uploads/upload/image/5306/6031214/S45H-US_UM_V2.1_20251230.pdf2Owner's manualstatic.helpjuice.com/helpjuice_production/uploads/upload/image/5306/6031214/S45H-US_UM_V2.1_20251230.pdfRead 15 October 2026S45H-US_UM_V2.1, dated 2025-12-30.

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.

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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.

1year3Maker product pagetclusa.helpjuice.com/tcl-sound-bar-warranty-informationRead 15 October 2026TCL North America sound bar warranty: one year for parts and labor for non-commercial use, for units bought new from an authorized dealer in the US or Canada.

Not available

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