Soundbars / Compare

TCL S55H vs Yamaha SR-B40A

A

Product A: TCL

S55H

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B

Product B: Yamaha

SR-B40A

49 of 98 known

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Every value links to where we found it.

Only differences

ATCL S55H

BYamaha SR-B40A

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.

2.11Maker product pageus.tcl.com/products/tcl-s55h-s-class-2-1-channel-sound-bar-with-dolby-atmos-wireless-subwoofer-and-bluetooth-music-streamingRead 15 October 2026Product title and spec table: 2.1 channel sound bar system with wireless subwoofer.

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.

31Maker product pageus.tcl.com/products/tcl-s55h-s-class-2-1-channel-sound-bar-with-dolby-atmos-wireless-subwoofer-and-bluetooth-music-streamingRead 15 October 2026Spec table lists Total Speakers 3 for the 2.1 system.

73Owner's manualusa.yamaha.com/files/download/other_assets/8/1624438/web_AV23-0002_SR-B40A_ug_UABGRIN_En_B0.pdfRead 13 October 2026

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.

22Owner's manualstatic.helpjuice.com/helpjuice_production/uploads/upload/image/5306/6031216/S55H-US_UM_V2.2_20260106.pdfRead 15 October 2026Not published directly. Derived from the maker's Total Speakers 3 minus the single 5.5 inch subwoofer driver. The bar driver layout is not published.

63Owner's manualusa.yamaha.com/files/download/other_assets/8/1624438/web_AV23-0002_SR-B40A_ug_UABGRIN_En_B0.pdfRead 13 October 2026

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.

07Press articlegizmodo.com/tcl-soundbar-now-priced-like-budget-earbuds-and-the-wireless-subwoofer-is-basically-free-dolby-atmos-dtsx-auto-room-calibration-2000777326Read 15 October 2026Gizmodo says Dolby Atmos is handled virtually, with no upward-firing drivers. Maker documents list no up-firing drivers.

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 S55H

Component	Driver type	Count	Diameter (mm)
Subwoofer	Woofer	1	139.7

Source2Owner's manualstatic.helpjuice.com/helpjuice_production/uploads/upload/image/5306/6031216/S55H-US_UM_V2.2_20260106.pdfRead 15 October 2026Only the subwoofer row is stored. The 5.5 inch (139.7 mm) woofer comes from the product page. The sound bar drivers are not described by the maker.

BYamaha SR-B40A

Component	Driver type	Count	Diameter (mm)
Soundbar	Full-range cone (front left and right)	4	46
Soundbar	Dome tweeter	2	25
Subwoofer	Cone woofer	1	160

Source3Owner's manualusa.yamaha.com/files/download/other_assets/8/1624438/web_AV23-0002_SR-B40A_ug_UABGRIN_En_B0.pdfRead 13 October 2026Specifications: sound bar front L/R 4.6 cm cone x 4 and 2.5 cm dome tweeter x 2. Subwoofer 16 cm cone x 1, bass reflex. Converted from the published cm.

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

Yes1Maker product pageus.tcl.com/products/tcl-s55h-s-class-2-1-channel-sound-bar-with-dolby-atmos-wireless-subwoofer-and-bluetooth-music-streamingRead 15 October 2026

Yes3Owner's manualusa.yamaha.com/files/download/other_assets/8/1624438/web_AV23-0002_SR-B40A_ug_UABGRIN_En_B0.pdfRead 13 October 2026

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

Wireless1Maker product pageus.tcl.com/products/tcl-s55h-s-class-2-1-channel-sound-bar-with-dolby-atmos-wireless-subwoofer-and-bluetooth-music-streamingRead 15 October 2026

Wireless3Owner's manualusa.yamaha.com/files/download/other_assets/8/1624438/web_AV23-0002_SR-B40A_ug_UABGRIN_En_B0.pdfRead 13 October 2026

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

139.7mm1Maker product pageus.tcl.com/products/tcl-s55h-s-class-2-1-channel-sound-bar-with-dolby-atmos-wireless-subwoofer-and-bluetooth-music-streamingRead 15 October 2026Feature text: wireless subwoofer with a 5.5 inch driver. Converted exactly to 139.7 mm.

160mm3Owner's manualusa.yamaha.com/files/download/other_assets/8/1624438/web_AV23-0002_SR-B40A_ug_UABGRIN_En_B0.pdfRead 13 October 2026

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/5306/6031216/S55H-US_UM_V2.2_20260106.pdfRead 15 October 2026Box contents list no rear speakers.

03Owner's manualusa.yamaha.com/files/download/other_assets/8/1624438/web_AV23-0002_SR-B40A_ug_UABGRIN_En_B0.pdfRead 13 October 2026

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

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.

56.6W2Owner's manualstatic.helpjuice.com/helpjuice_production/uploads/upload/image/5306/6031216/S55H-US_UM_V2.2_20260106.pdfRead 15 October 2026Specifications page gives FTC Power Output Rating 26.6 W for the sound bar and 30 W for the subwoofer. The 56.6 W total is their sum. Distortion and load are not stated. Sound bar impedance 8 ohm, subwoofer 4 ohm.

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.

220W1Maker product pageus.tcl.com/products/tcl-s55h-s-class-2-1-channel-sound-bar-with-dolby-atmos-wireless-subwoofer-and-bluetooth-music-streamingRead 15 October 2026Spec table Total Audio Power 220 and the feature list say up to 220 watts total power. One overview paragraph on the same page says up to 200 watts. 220 is stored. No rating conditions or RMS label are given.

200W3Owner's manualusa.yamaha.com/files/download/other_assets/8/1624438/web_AV23-0002_SR-B40A_ug_UABGRIN_En_B0.pdfRead 13 October 2026Maker lists maximum rated output power 50 W x 2 channels for the bar and 100 W for the subwoofer. The Yamaha USA specs page totals 200 W. Rating conditions are not stated.

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.

40Hz2Owner's manualstatic.helpjuice.com/helpjuice_production/uploads/upload/image/5306/6031216/S55H-US_UM_V2.2_20260106.pdfRead 15 October 2026Subwoofer frequency response is 40 Hz-180 Hz. The lower limit of the system is the subwoofer lower limit.

33Hz3Owner's manualusa.yamaha.com/files/download/other_assets/8/1624438/web_AV23-0002_SR-B40A_ug_UABGRIN_En_B0.pdfRead 13 October 2026Subwoofer 33 Hz to 210 Hz. The maker publishes ranges per component and no single system figure.

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/5306/6031216/S55H-US_UM_V2.2_20260106.pdfRead 15 October 2026Sound bar frequency response is 180 Hz-20 kHz. The upper limit of the system is the sound bar upper limit. No tolerance is stated.

22kHz3Owner's manualusa.yamaha.com/files/download/other_assets/8/1624438/web_AV23-0002_SR-B40A_ug_UABGRIN_En_B0.pdfRead 13 October 2026Front L/R 210 Hz to 22 kHz. Tweeter 9 kHz to 22 kHz. Per component, no tolerance stated.

Audio formats

5 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-s55h-s-class-2-1-channel-sound-bar-with-dolby-atmos-wireless-subwoofer-and-bluetooth-music-streamingRead 15 October 2026

Yes2Maker product pageusa.yamaha.com/products/audio_visual/sound_bar/sr-b40a/specs.htmlRead 13 October 2026Specs page lists Dolby Atmos as the sound technology and Dolby TrueHD, Dolby Digital Plus and Dolby Digital as Yes. DTS Digital Surround is No.

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

Not available

Not available

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-s55h-s-class-2-1-channel-sound-bar-with-dolby-atmos-wireless-subwoofer-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.

Linear PCM, Dolby Digital, Dolby Digital Plus, Dolby TrueHD, Dolby Atmos3Owner's manualusa.yamaha.com/files/download/other_assets/8/1624438/web_AV23-0002_SR-B40A_ug_UABGRIN_En_B0.pdfRead 13 October 2026

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 S55H

Not available

BYamaha SR-B40A

Connection	Format	Max input channels
HDMI eARC	Linear PCM	8
HDMI eARC	Dolby Digital	Not available
HDMI eARC	Dolby Digital Plus	Not available
HDMI eARC	Dolby TrueHD	Not available
HDMI eARC	Dolby Atmos	Not available
HDMI ARC	Linear PCM	2
HDMI ARC	Dolby Digital	Not available
HDMI ARC	Dolby Digital Plus	Not available
HDMI ARC	Dolby Atmos	Not available
Optical	Linear PCM	2
Optical	Dolby Digital	Not available

Source3Owner's manualusa.yamaha.com/files/download/other_assets/8/1624438/web_AV23-0002_SR-B40A_ug_UABGRIN_En_B0.pdfRead 13 October 2026Supported digital audio signal formats tables. eARC: 2-channel PCM, multichannel PCM up to 7.1 channels (8), and Dolby Digital, TrueHD, Digital Plus and Atmos bitstreams. ARC: 2-channel PCM, Dolby Digital, Digital Plus and Atmos. Optical: 2-channel PCM and Dolby Digital. The tables do not state Atmos transport per format.

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/5306/6031216/S55H-US_UM_V2.2_20260106.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/8/1624438/web_AV23-0002_SR-B40A_ug_UABGRIN_En_B0.pdfRead 13 October 2026PCM over HDMI eARC, HDMI ARC and optical: up to 96 kHz. Multichannel PCM over eARC also tops out at 96 kHz.

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/8/1624438/web_AV23-0002_SR-B40A_ug_UABGRIN_En_B0.pdfRead 13 October 2026Same tables: PCM at 16, 20 and 24-bit on eARC, ARC and optical.

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

3 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 S55H

Connector	Count	Role
HDMI	1	HDMI eARC/ARC connection to the TV
Optical	1	Digital 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/5306/6031216/S55H-US_UM_V2.2_20260106.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-B40A

Connector	Count	Role
HDMI	1	TV connection with eARC or ARC (HDMI OUT)
Optical	1	Digital audio input
USB-A	1	Firmware update only
AC power	1	Soundbar power input

Source3Owner's manualusa.yamaha.com/files/download/other_assets/8/1624438/web_AV23-0002_SR-B40A_ug_UABGRIN_En_B0.pdfRead 13 October 2026Specifications: one OPTICAL input, one HDMI OUT/TV (eARC/ARC) and one USB marked UPDATE ONLY. Power cords are listed for the bar and subwoofer.

HDMI ARC

Yes1Maker product pageus.tcl.com/products/tcl-s55h-s-class-2-1-channel-sound-bar-with-dolby-atmos-wireless-subwoofer-and-bluetooth-music-streamingRead 15 October 2026

Yes3Owner's manualusa.yamaha.com/files/download/other_assets/8/1624438/web_AV23-0002_SR-B40A_ug_UABGRIN_En_B0.pdfRead 13 October 2026

HDMI eARC

Yes1Maker product pageus.tcl.com/products/tcl-s55h-s-class-2-1-channel-sound-bar-with-dolby-atmos-wireless-subwoofer-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.

Yes3Owner's manualusa.yamaha.com/files/download/other_assets/8/1624438/web_AV23-0002_SR-B40A_ug_UABGRIN_En_B0.pdfRead 13 October 2026

HDMI-CEC

Yes2Owner's manualstatic.helpjuice.com/helpjuice_production/uploads/upload/image/5306/6031216/S55H-US_UM_V2.2_20260106.pdfRead 15 October 2026Manual tells the user to enable CEC on the TV for the HDMI eARC connection.

Yes2Maker product pageusa.yamaha.com/products/audio_visual/sound_bar/sr-b40a/specs.htmlRead 13 October 2026

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-s55h-s-class-2-1-channel-sound-bar-with-dolby-atmos-wireless-subwoofer-and-bluetooth-music-streamingRead 15 October 2026Spec table: HDMI Input No. The only HDMI connector is the eARC connection to the TV.

No3Owner's manualusa.yamaha.com/files/download/other_assets/8/1624438/web_AV23-0002_SR-B40A_ug_UABGRIN_En_B0.pdfRead 13 October 2026The only HDMI connector is the TV output. A device other than a TV cannot be connected with the HDMI cable.

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/5306/6031216/S55H-US_UM_V2.2_20260106.pdfRead 15 October 2026

Yes3Owner's manualusa.yamaha.com/files/download/other_assets/8/1624438/web_AV23-0002_SR-B40A_ug_UABGRIN_En_B0.pdfRead 13 October 2026

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

5.32Owner's manualstatic.helpjuice.com/helpjuice_production/uploads/upload/image/5306/6031216/S55H-US_UM_V2.2_20260106.pdfRead 15 October 2026Specifications page: Bluetooth 5.3 with A2DP and AVRCP. The product page says 5.2. The manual is used. No codec list is published.

5.13Owner's manualusa.yamaha.com/files/download/other_assets/8/1624438/web_AV23-0002_SR-B40A_ug_UABGRIN_En_B0.pdfRead 13 October 2026Bluetooth Ver 5.1, Class 1, A2DP, sink function only.

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/8/1624438/web_AV23-0002_SR-B40A_ug_UABGRIN_En_B0.pdfRead 13 October 2026Sink function: SBC and MPEG4-AAC.

Wi-Fi

No6Reviewwhich.co.uk/reviews/sound-bars/tcl-s55hRead 15 October 2026Which? lists No Wi-Fi. The maker manual lists only Bluetooth, USB and wired inputs.

No2Maker product pageusa.yamaha.com/products/audio_visual/sound_bar/sr-b40a/specs.htmlRead 13 October 2026Specs page lists Wi-Fi No, AirPlay No and MusicCast Surround No for the SR-B40A.

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

1 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/5306/6031216/S55H-US_UM_V2.2_20260106.pdfRead 15 October 2026The sound bar can be fully controlled with the TCL Home app.

Sound Bar Remote3Owner's manualusa.yamaha.com/files/download/other_assets/8/1624438/web_AV23-0002_SR-B40A_ug_UABGRIN_En_B0.pdfRead 13 October 2026Free Sound Bar Remote app. Tone control works only in the app.

Companion app platforms

iOS, Android8Maker 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 manual says to download the app from the app stores. The support page lists air conditioning and air purifier products and does not name sound bars. The S55H manual says the sound bar can be fully controlled with the TCL Home app.

iOS, Android3Owner's manualusa.yamaha.com/files/download/other_assets/8/1624438/web_AV23-0002_SR-B40A_ug_UABGRIN_En_B0.pdfRead 13 October 2026

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

Not available

Not available

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

Yes1Maker product pageus.tcl.com/products/tcl-s55h-s-class-2-1-channel-sound-bar-with-dolby-atmos-wireless-subwoofer-and-bluetooth-music-streamingRead 15 October 2026Spec table: Remote Control Yes, with 2 AAA batteries.

Yes3Owner's manualusa.yamaha.com/files/download/other_assets/8/1624438/web_AV23-0002_SR-B40A_ug_UABGRIN_En_B0.pdfRead 13 October 2026

Sound processing

6 of 7 differ

Sound modes

Standard, Movie, Music, Voice, Game, Sports2Owner's manualstatic.helpjuice.com/helpjuice_production/uploads/upload/image/5306/6031216/S55H-US_UM_V2.2_20260106.pdfRead 15 October 2026Remote cycles Standard, Movie, Music, Voice, Game and Sports. Separate Surround Enhance and Voice Enhance levels exist.

Stereo, Standard, Movie, Game3Owner's manualusa.yamaha.com/files/download/other_assets/8/1624438/web_AV23-0002_SR-B40A_ug_UABGRIN_En_B0.pdfRead 13 October 2026One stereo mode and three surround modes: Standard, Movie and 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-s55h-s-class-2-1-channel-sound-bar-with-dolby-atmos-wireless-subwoofer-and-bluetooth-music-streamingRead 15 October 2026

Not available

Room calibration system

TCL AI Sonic-Adaptation2Owner's manualstatic.helpjuice.com/helpjuice_production/uploads/upload/image/5306/6031216/S55H-US_UM_V2.2_20260106.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/5306/6031216/S55H-US_UM_V2.2_20260106.pdfRead 15 October 2026Voice mode and a Voice Enhance key on the remote.

Yes3Owner's manualusa.yamaha.com/files/download/other_assets/8/1624438/web_AV23-0002_SR-B40A_ug_UABGRIN_En_B0.pdfRead 13 October 2026

Night mode

Yes2Owner's manualstatic.helpjuice.com/helpjuice_production/uploads/upload/image/5306/6031216/S55H-US_UM_V2.2_20260106.pdfRead 15 October 2026Night Mode key on the remote.

Not available

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/5306/6031216/S55H-US_UM_V2.2_20260106.pdfRead 15 October 2026Treble and bass keys on the remote.

Treble, Bass, Subwoofer level, Bass Extension3Owner's manualusa.yamaha.com/files/download/other_assets/8/1624438/web_AV23-0002_SR-B40A_ug_UABGRIN_En_B0.pdfRead 13 October 2026Tone control in the app adjusts treble and bass from -6 to +6. The remote has an independent subwoofer level control. Bass Extension is an on or off function.

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/5306/6031216/S55H-US_UM_V2.2_20260106.pdfRead 15 October 2026TCL Tutti Choral adds an Internal Speaker+Sound Bar (HDMI) TV output option. It works with some TCL TVs only. The launch release calls a related feature TV as Center Channel Mode.

Not available

Power

4 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.

38W2Owner's manualstatic.helpjuice.com/helpjuice_production/uploads/upload/image/5306/6031216/S55H-US_UM_V2.2_20260106.pdfRead 15 October 2026Sound bar power consumption 38 W. The subwoofer is listed separately at 50 W.

25W3Owner's manualusa.yamaha.com/files/download/other_assets/8/1624438/web_AV23-0002_SR-B40A_ug_UABGRIN_En_B0.pdfRead 13 October 2026Sound bar power consumption 25 W. The subwoofer is listed separately at 20 W rated.

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/5306/6031216/S55H-US_UM_V2.2_20260106.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.

0.3W3Owner's manualusa.yamaha.com/files/download/other_assets/8/1624438/web_AV23-0002_SR-B40A_ug_UABGRIN_En_B0.pdfRead 13 October 2026Sound bar standby 0.3 W with HDMI Control and Bluetooth Standby off.

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

Not available

0.6W3Owner's manualusa.yamaha.com/files/download/other_assets/8/1624438/web_AV23-0002_SR-B40A_ug_UABGRIN_En_B0.pdfRead 13 October 2026Sound bar standby 0.6 W with HDMI Control and Bluetooth Standby on. The bar has no Wi-Fi.

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

Sound bar: AC 100-240 V, 50/60 Hz. The wireless subwoofer has its own power cord, AC 100-240 V, 50/60 Hz.2Owner's manualstatic.helpjuice.com/helpjuice_production/uploads/upload/image/5306/6031216/S55H-US_UM_V2.2_20260106.pdfRead 15 October 2026Sound bar and subwoofer each list AC 100-240 V, 50/60 Hz.

Sound bar: AC 100 to 120 V, 50/60 Hz (US, Canada, Taiwan and Mexico models). The wireless subwoofer has its own power cord, AC 100 to 120 V, 50/60 Hz.3Owner's manualusa.yamaha.com/files/download/other_assets/8/1624438/web_AV23-0002_SR-B40A_ug_UABGRIN_En_B0.pdfRead 13 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

5 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.

Width810Height59.9Depth98mm(31.9 × 2.4 × 3.9 in)2Owner's manualstatic.helpjuice.com/helpjuice_production/uploads/upload/image/5306/6031216/S55H-US_UM_V2.2_20260106.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.

Width910Height68Depth133mm(35.8 × 2.7 × 5.2 in)3Owner's manualusa.yamaha.com/files/download/other_assets/8/1624438/web_AV23-0002_SR-B40A_ug_UABGRIN_En_B0.pdfRead 13 October 2026Sound bar installed in front of a TV: 910 x 68 x 133 mm. With wall spacers: 910 x 66 x 139 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/5306/6031216/S55H-US_UM_V2.2_20260106.pdfRead 15 October 2026Published as 4.51 lb. Converted exactly and rounded to 1 g.

2,900g(6.4 lb)3Owner's manualusa.yamaha.com/files/download/other_assets/8/1624438/web_AV23-0002_SR-B40A_ug_UABGRIN_En_B0.pdfRead 13 October 2026Sound bar 2.9 kg (6.4 lb). Subwoofer 8.1 kg (17.9 lb).

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.

ATCL S55H

Component	Width (mm)	Height (mm)	Depth (mm)	Weight (g)
Subwoofer	195.1	320	195.1	3,062

Source2Owner's manualstatic.helpjuice.com/helpjuice_production/uploads/upload/image/5306/6031216/S55H-US_UM_V2.2_20260106.pdfRead 15 October 2026Subwoofer 7.68 x 12.6 x 7.68 in (W x H x D) and 6.75 lb, converted exactly. The product page gives the same values.

BYamaha SR-B40A

Component	Width (mm)	Height (mm)	Depth (mm)	Weight (g)
Subwoofer SR-WSWB40A	194	419	407	8,100

Source3Owner's manualusa.yamaha.com/files/download/other_assets/8/1624438/web_AV23-0002_SR-B40A_ug_UABGRIN_En_B0.pdfRead 13 October 2026

Package dimensions

Width875Height257Depth326.9mm(34.4 × 10.1 × 12.9 in)1Maker product pageus.tcl.com/products/tcl-s55h-s-class-2-1-channel-sound-bar-with-dolby-atmos-wireless-subwoofer-and-bluetooth-music-streamingRead 15 October 2026Spec table Package Size (WxHxD) 34.45 x 10.12 x 12.87 in. Converted exactly and rounded to 0.1 mm.

Not available

Package weightiShipping package including supplied components and packaging.

6,754g(14.9 lb)1Maker product pageus.tcl.com/products/tcl-s55h-s-class-2-1-channel-sound-bar-with-dolby-atmos-wireless-subwoofer-and-bluetooth-music-streamingRead 15 October 2026Spec table Package Weight 14.89 lb. Converted exactly and rounded to 1 g.

Not available

Wall mountable

Yes1Maker product pageus.tcl.com/products/tcl-s55h-s-class-2-1-channel-sound-bar-with-dolby-atmos-wireless-subwoofer-and-bluetooth-music-streamingRead 15 October 2026

Yes1Maker product pageusa.yamaha.com/products/audio_visual/sound_bar/sr-b40a/index.htmlRead 13 October 2026Page lists built-in keyholes for wall mounting.

In the box

2 of 4 differ

In the box

Sound bar, Wireless subwoofer, Remote control, 2 AAA batteries, 2 power cords, HDMI cable, 2 wall mount brackets, 2 wall mounting screws (M5 x 40 mm), 2 wall anchors, Wall mount template, Warranty card, Manual2Owner's manualstatic.helpjuice.com/helpjuice_production/uploads/upload/image/5306/6031216/S55H-US_UM_V2.2_20260106.pdfRead 15 October 2026Manual What is 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.

Soundbar, Wireless subwoofer, Remote control, Remote battery (CR2025), Two power cords, HDMI cable (1.5 m), Mounting template, Two spacers, Quick guide, Safety guide3Owner's manualusa.yamaha.com/files/download/other_assets/8/1624438/web_AV23-0002_SR-B40A_ug_UABGRIN_En_B0.pdfRead 13 October 2026Confirming the included items: sound bar, subwoofer SR-WSWB40A, remote with CR2025 battery, two power cords, 1.5 m HDMI cable, mounting template, two spacers, quick guide and safety guide.

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-s55h-s-class-2-1-channel-sound-bar-with-dolby-atmos-wireless-subwoofer-and-bluetooth-music-streamingRead 15 October 2026Spec table: Wall Mount kit Yes. The manual shows 2 brackets, 2 screws, 2 anchors and a template.

Not available

HDMI cable included

Yes1Maker product pageus.tcl.com/products/tcl-s55h-s-class-2-1-channel-sound-bar-with-dolby-atmos-wireless-subwoofer-and-bluetooth-music-streamingRead 15 October 2026Spec table lists an HDMI cable and the product page says free HDMI cable.

Yes3Owner's manualusa.yamaha.com/files/download/other_assets/8/1624438/web_AV23-0002_SR-B40A_ug_UABGRIN_En_B0.pdfRead 13 October 2026

Optical cable included

No1Maker product pageus.tcl.com/products/tcl-s55h-s-class-2-1-channel-sound-bar-with-dolby-atmos-wireless-subwoofer-and-bluetooth-music-streamingRead 15 October 2026Spec table: Optical Cable No. The manual box contents list no optical cable.

No3Owner's manualusa.yamaha.com/files/download/other_assets/8/1624438/web_AV23-0002_SR-B40A_ug_UABGRIN_En_B0.pdfRead 13 October 2026No optical cable is in the included items list.

General

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Series

S Class1Maker product pageus.tcl.com/products/tcl-s55h-s-class-2-1-channel-sound-bar-with-dolby-atmos-wireless-subwoofer-and-bluetooth-music-streamingRead 15 October 2026Spec table title: TCL S Class - S55H.

Not available

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

S55H1Maker product pageus.tcl.com/products/tcl-s55h-s-class-2-1-channel-sound-bar-with-dolby-atmos-wireless-subwoofer-and-bluetooth-music-streamingRead 15 October 2026

SR-B40A, SR-B40ABL1Maker product pageusa.yamaha.com/products/audio_visual/sound_bar/sr-b40a/index.htmlRead 13 October 2026Yamaha USA page for the SR-B40A bar with wireless subwoofer. SR-B40ABL is the US SKU used by retailers. The subwoofer model SR-WSWB40A comes from the user guide.

GTIN / EAN

Not available

0271089619274Retailer pageworldwidestereo.com/products/yamaha-sr-b40a-dolby-atmos-sound-bar-with-wireless-subwooferRead 13 October 2026US retailer lists model SR-B40ABL with UPC 027108961927. The ABL suffix is the black US SKU as listed by the retailer.

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

13 May 20245Press articleaphnetworks.com/news/28662-tcl-reveals-2024-soundbars-dolby-atmos-and-auto-calibrationRead 15 October 2026Article of 2024-05-13 reports the TCL announcement of the 2024 sound bars.

20 July 20235Press releaseusa.yamaha.com/news_events/2023/yamaha-expands-its-lineup-of-dolby-atmos-sound-bars.htmlRead 13 October 2026

Status

Available1Maker product pageus.tcl.com/products/tcl-s55h-s-class-2-1-channel-sound-bar-with-dolby-atmos-wireless-subwoofer-and-bluetooth-music-streamingRead 15 October 2026

Available1Maker product pageusa.yamaha.com/products/audio_visual/sound_bar/sr-b40a/index.htmlRead 13 October 2026The Yamaha USA product page, specs and downloads pages are live in 2026. The page offers no price.

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.

$219.994Press articlegstylemag.com/2024/05/15/tcl-2024-sound-bars-dolby-atmosRead 15 October 2026The S55H is available for 219.99 USD MSRP. US price, tax treatment not stated.

$399.955Press releaseusa.yamaha.com/news_events/2023/yamaha-expands-its-lineup-of-dolby-atmos-sound-bars.htmlRead 13 October 2026US press release: SR-B40A $399.95 MSRP. Tax treatment is not stated.

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.

US4Press articlegstylemag.com/2024/05/15/tcl-2024-sound-bars-dolby-atmosRead 15 October 2026US launch.

US1Maker product pageusa.yamaha.com/products/audio_visual/sound_bar/sr-b40a/index.htmlRead 13 October 2026

ColoursiThe maker's own colour names

Not available

Not available

Links

Not compared

Product page

us.tcl.com/products/tcl-s55h-s-class-2-1-channel-sound-bar-with-dolby-atmos-wireless-subwoofer-and-bluetooth-music-streaming1Maker product pageus.tcl.com/products/tcl-s55h-s-class-2-1-channel-sound-bar-with-dolby-atmos-wireless-subwoofer-and-bluetooth-music-streamingRead 15 October 2026

usa.yamaha.com/products/audio_visual/sound_bar/sr-b40a/index.html1Maker product pageusa.yamaha.com/products/audio_visual/sound_bar/sr-b40a/index.htmlRead 13 October 2026

Spec sheet

Not available

Not available

Manual

static.helpjuice.com/helpjuice_production/uploads/upload/image/5306/6031216/S55H-US_UM_V2.2_20260106.pdf2Owner's manualstatic.helpjuice.com/helpjuice_production/uploads/upload/image/5306/6031216/S55H-US_UM_V2.2_20260106.pdfRead 15 October 2026S55H-US_UM_V2.2, dated 2026-01-06.

usa.yamaha.com/files/download/other_assets/8/1624438/web_AV23-0002_SR-B40A_ug_UABGRIN_En_B0.pdf3Owner's manualusa.yamaha.com/files/download/other_assets/8/1624438/web_AV23-0002_SR-B40A_ug_UABGRIN_En_B0.pdfRead 13 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.

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.