Soundbars / Compare

LG S40TR vs Yamaha SR-B40A

A

Product A: LG

S40TR

50 of 98 known

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B

Product B: Yamaha

SR-B40A

49 of 98 known

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All 98 fields

Every value links to where we found it.

Only differences

ALG S40TR

BYamaha SR-B40A

Audio system

12 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.

4.11Maker product pagelg.com/us/soundbars/lg-s40tr-home-theater-soundbarRead 16 October 2026Page name: Home Theater Soundbar with Dolby and Rear Speakers, 4.1 channel.

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.

54Maker product pagelg.com/in/audio/soundbars/s40trRead 16 October 2026Spec table: number of speakers 5 EA. It is not split by component. The subwoofer and each rear speaker are one speaker per the manual.

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.

Not available

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.

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.

ALG S40TR

Component	Driver type	Count
Subwoofer	Woofer, 1-way, 3 Ω	1
Rear speakers	Full-range speaker, 1-way, 4 Ω	2

Source3Owner's manualmanualslib.tech/guide/739600/lg-s40tr-spt41-w-spt8-s-spt8-spk-manual.htmlRead 16 October 2026Specifications: wireless subwoofer type 1-way 1 speaker, 3 ohm. Each rear speaker type 1-way 1 speaker, 4 ohm. The manual lists no soundbar driver count. LG lists number of speakers 5 EA, which fits two in the bar, one in the subwoofer and one in each rear speaker, but the bar count is not published and is not stored.

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 pagelg.com/us/soundbars/lg-s40tr-home-theater-soundbarRead 16 October 2026Key features: home theater surround sound with subwoofer and rear speakers.

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.

Wireless3Owner's manualmanualslib.tech/guide/739600/lg-s40tr-spt41-w-spt8-s-spt8-spk-manual.htmlRead 16 October 2026Installation chapter: the wireless subwoofer connects to the soundbar automatically and has its own power cable.

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.

Not available

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.

21Maker product pagelg.com/us/soundbars/lg-s40tr-home-theater-soundbarRead 16 October 2026Page title and key features: home theater surround sound with subwoofer and rear speakers. The manual covers two 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.

Wireless1Maker product pagelg.com/us/soundbars/lg-s40tr-home-theater-soundbarRead 16 October 2026Page says wireless rear speakers. Its footnote says the rear speakers need a wired connection between them and one rear speaker needs AC power. Gizmodo says the same. The audio link from the bar is wireless and the manual describes a wireless receiver inside the rear speaker.

Not available

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

No3Owner's manualmanualslib.tech/guide/739600/lg-s40tr-spt41-w-spt8-s-spt8-spk-manual.htmlRead 16 October 2026The rear speakers are separate enclosures. The bar has no detachable ends.

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.

400W4Maker product pagelg.com/in/audio/soundbars/s40trRead 16 October 2026Spec table: output power 400 W. The page does not say RMS. The Spanish page also says 400 W. Retailers describe 100 W for the bar, 200 W for the subwoofer and 100 W for the rear speakers, which sums to 400 W, but no maker document splits it.

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

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.

Not available

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.

Not available

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

9 of 9 differ

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

No3Owner's manualmanualslib.tech/guide/739600/lg-s40tr-spt41-w-spt8-s-spt8-spk-manual.htmlRead 16 October 2026The manual format list has no Dolby Atmos. Audio-play says the system has no height channels. A Dolby.com listing title names Dolby Atmos among decoders, which does not match the maker list.

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.

No3Owner's manualmanualslib.tech/guide/739600/lg-s40tr-spt41-w-spt8-s-spt8-spk-manual.htmlRead 16 October 2026The manual format list has DTS Digital Surround only. No DTS:X is listed.

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 Digital, DTS Digital Surround, PCM3Owner's manualmanualslib.tech/guide/739600/lg-s40tr-spt41-w-spt8-s-spt8-spk-manual.htmlRead 16 October 2026Specifications: available digital input audio format Dolby Digital, DTS Digital Surround and PCM. No connection is named.

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.

ALG S40TR

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, OGG, FLAC, WAV3Owner's manualmanualslib.tech/guide/739600/lg-s40tr-spt41-w-spt8-s-spt8-spk-manual.htmlRead 16 October 2026USB file table: MP3, WMA, OGG, FLAC and WAV. AAC is listed for Bluetooth only.

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.

192kHz3Owner's manualmanualslib.tech/guide/739600/lg-s40tr-spt41-w-spt8-s-spt8-spk-manual.htmlRead 16 October 2026Specifications: available digital input audio sampling frequency 32, 44.1, 48, 88.2, 96, 176.4 and 192 kHz. The manual does not name the HDMI ARC or optical route or the codec.

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.

192kHz3Owner's manualmanualslib.tech/guide/739600/lg-s40tr-spt41-w-spt8-s-spt8-spk-manual.htmlRead 16 October 2026USB file table: FLAC and WAV at 16 bit or 24 bit and up to 192 kHz. MP3, WMA and OGG are 48 kHz at most.

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.

24bits3Owner's manualmanualslib.tech/guide/739600/lg-s40tr-spt41-w-spt8-s-spt8-spk-manual.htmlRead 16 October 2026USB file table: FLAC (16 bit/24 bit) and WAV (16 bit/24 bit).

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.

ALG S40TR

Connector	Count	Role
HDMI	1	TV connection with ARC
Optical	1	Digital audio input
USB-A	1	USB storage music playback, 5 V 500 mA
DC power	1	Power input for the supplied AC adapter

Source3Owner's manualmanualslib.tech/guide/739600/lg-s40tr-spt41-w-spt8-s-spt8-spk-manual.htmlRead 16 October 2026Back panel: DC IN, HDMI TV (ARC), USB port and OPTICAL IN. Specifications: HDMI 19-pin Type A x 1, optical x 1, USB bus power 5 V 500 mA. The USB connector type is not named in text. A type A socket is assumed from the flash drive use that the manual describes.

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

Yes3Owner's manualmanualslib.tech/guide/739600/lg-s40tr-spt41-w-spt8-s-spt8-spk-manual.htmlRead 16 October 2026Specifications and connection chapter: HDMI TV (ARC) terminal.

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

No3Owner's manualmanualslib.tech/guide/739600/lg-s40tr-spt41-w-spt8-s-spt8-spk-manual.htmlRead 16 October 2026The manual and the LG pages list HDMI ARC only. No eARC is named by the maker.

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

Yes3Owner's manualmanualslib.tech/guide/739600/lg-s40tr-spt41-w-spt8-s-spt8-spk-manual.htmlRead 16 October 2026SIMPLINK is described as the HDMI-CEC function. LG pages list CEC (Simplink) yes.

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.

No3Owner's manualmanualslib.tech/guide/739600/lg-s40tr-spt41-w-spt8-s-spt8-spk-manual.htmlRead 16 October 2026The only HDMI connector is the TV ARC output. There is no HDMI input.

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.

Yes3Owner's manualmanualslib.tech/guide/739600/lg-s40tr-spt41-w-spt8-s-spt8-spk-manual.htmlRead 16 October 2026Bluetooth section: connect a smartphone or LG TV through Bluetooth.

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.

5.33Owner's manualmanualslib.tech/guide/739600/lg-s40tr-spt41-w-spt8-s-spt8-spk-manual.htmlRead 16 October 2026Bluetooth section: Bluetooth 5.3 technology. LG Spain and India pages also say 5.3. A Reliance Digital listing for S40TR.CINDLLK says 5.1 and is not used.

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.

SBC, AAC3Owner's manualmanualslib.tech/guide/739600/lg-s40tr-spt41-w-spt8-s-spt8-spk-manual.htmlRead 16 October 2026Bluetooth section: codec SBC and AAC.

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

No6Retailer pageldlc.com/fr-ch/fiche/PB00651234.htmlRead 16 October 2026Retailer table: Wi-Fi Non, Bluetooth Oui. The maker pages list no Wi-Fi.

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

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

LG ThinQ3Owner's manualmanualslib.tech/guide/739600/lg-s40tr-spt41-w-spt8-s-spt8-spk-manual.htmlRead 16 October 2026The manual describes the LG ThinQ app for settings and voice feedback.

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, Android3Owner's manualmanualslib.tech/guide/739600/lg-s40tr-spt41-w-spt8-s-spt8-spk-manual.htmlRead 16 October 2026Android 9.0 or higher and iOS 15.0 or higher.

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.

No6Retailer pageldlc.com/fr-ch/fiche/PB00651234.htmlRead 16 October 2026Retailer table: Multiroom Non.

Not available

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

Yes3Owner's manualmanualslib.tech/guide/739600/lg-s40tr-spt41-w-spt8-s-spt8-spk-manual.htmlRead 16 October 2026Remote control chapter with AAA battery replacement. LG pages list Remote Control yes.

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

4 of 7 differ

Sound modes

AI Sound Pro, Standard, Cinema, Game3Owner's manualmanualslib.tech/guide/739600/lg-s40tr-spt41-w-spt8-s-spt8-spk-manual.htmlRead 16 October 2026Sound effects table: AI Sound Pro, Standard, Cinema and Game.

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.

Not available

Not available

Room calibration system

Not available

Not available

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

Yes1Maker product pagelg.com/us/soundbars/lg-s40tr-home-theater-soundbarRead 16 October 2026Key features: Clear Voice Plus for dialogue clarity.

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

Yes3Owner's manualmanualslib.tech/guide/739600/lg-s40tr-spt41-w-spt8-s-spt8-spk-manual.htmlRead 16 October 2026Settings button: NIGHT TIME reduces general volume and raises soft sounds.

Not available

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

Treble, Mid, Bass, Subwoofer level, Rear speaker level1Maker product pagelg.com/us/soundbars/lg-s40tr-home-theater-soundbarRead 16 October 2026Key features: 3-band equalizer. The manual names the bands treble, mid and bass, and adds subwoofer and rear levels.

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.

WOW Orchestra1Maker product pagelg.com/us/soundbars/lg-s40tr-home-theater-soundbarRead 16 October 2026Key features: WOW Orchestra with an LG TV. A footnote says it is only available on select LG TV and soundbar models. The LG India page lists WOW Orchestra yes.

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.

22W4Maker product pagelg.com/in/audio/soundbars/s40trRead 16 October 2026Spec table: power consumption of the main unit 22 W. The rear speaker is 20 W and the subwoofer 35 W, which are excluded. The Spanish page agrees.

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.

0.5W4Maker product pagelg.com/in/audio/soundbars/s40trRead 16 October 2026Spec table: power off consumption of the main unit 0.5 W. The Spanish page shows 0.5 W with a down arrow, so the value is an upper limit. Rear speaker and subwoofer are also 0.5 W.

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.

External AC adapter, input 100 to 240 V, 50/60 Hz, output 23.0 V 1.31 A. The wireless subwoofer and the powered rear speaker have their own power cables.3Owner's manualmanualslib.tech/guide/739600/lg-s40tr-spt41-w-spt8-s-spt8-spk-manual.htmlRead 16 October 2026Specifications: AC adapter A702-230131W-M21, input 100 to 240 V 50/60 Hz, output 23.0 V 1.31 A. Subwoofer and rear receiver power values are on labels and not stated. The powered rear speaker is described in the installation chapter.

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

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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.

Width720Height63Depth87mm(28.3 × 2.5 × 3.4 in)3Owner's manualmanualslib.tech/guide/739600/lg-s40tr-spt41-w-spt8-s-spt8-spk-manual.htmlRead 16 October 2026Specifications: approx 720.0 x 63.0 x 87.0 mm including the base.

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.

1,650g(3.6 lb)4Maker product pagelg.com/in/audio/soundbars/s40trRead 16 October 2026Spec table: main 1.65 kg. The Spanish and Italian pages agree.

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.

ALG S40TR

Component	Width (mm)	Height (mm)	Depth (mm)	Weight (g)
Subwoofer	171	320	252	4,200
Each rear speaker	100	176.5	120	Not available
Rear speaker pair	Not available	Not available	Not available	2,100

Source3Owner's manualmanualslib.tech/guide/739600/lg-s40tr-spt41-w-spt8-s-spt8-spk-manual.htmlRead 16 October 2026Specifications: subwoofer approx 171.0 x 320.0 x 252.0 mm. Each rear speaker approx 100.0 x 176.5 x 120.0 mm. Weights come from the LG India page.

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

Not available

Not available

Package weightiShipping package including supplied components and packaging.

10,000g(22 lb)4Maker product pagelg.com/in/audio/soundbars/s40trRead 16 October 2026Spec table: gross weight 10.0 kg. The Spanish and Italian pages agree.

Not available

Wall mountable

Not available

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

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In the box

Soundbar, Wireless subwoofer, Rear speakers (2), Remote control, AC adapter, Speaker cables for the rear speakers, Cable ties, Warranty card3Owner's manualmanualslib.tech/guide/739600/lg-s40tr-spt41-w-spt8-s-spt8-spk-manual.htmlRead 16 October 2026The manual mentions the supplied AC adapter, supplied speaker cables and supplied cable ties. LG pages list remote control and warranty card as accessories.

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.

Not available

Not available

HDMI cable included

Not available

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

Not available

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

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

S40TR, S40TR.DUSALLK, S40TR.DEUSLLK, S40TR.CINDLLK2Maker product pagelg.com/us/support/product/lg-S40TR.DUSALLKRead 16 October 2026US support page identifies S40TR.DUSALLK. The LG Spanish page shows images named S40TR.DEUSLLK and the LG India page images are named S40TR.CINDLLK.

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

88060960614045Maker product pagelg.com/es/barras-de-sonido/s40tr-desbRead 16 October 2026Spanish page lists EAN 8806096061404 for the EU model. The Italian page lists the same EAN. The US UPC was not found.

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.

Not available

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 pagelg.com/us/soundbars/lg-s40tr-home-theater-soundbarRead 16 October 2026US page offers the soundbar with Add to Cart at $249.99, shown as $30 off $279.99. Those prices are not launch prices.

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.

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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.

Not available

$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.

US, EU, IN1Maker product pagelg.com/us/soundbars/lg-s40tr-home-theater-soundbarRead 16 October 2026US page for the US model. The Spanish, Italian and Indian LG pages carry the same specifications for the EU and India models.4Maker product pagelg.com/in/audio/soundbars/s40trRead 16 October 2026Indian page lists the S40TR with an Indian importer.

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

ColoursiThe maker's own colour names

Black1Maker product pagelg.com/us/soundbars/lg-s40tr-home-theater-soundbarRead 16 October 2026US page lists Black as the only colour.

Not available

Links

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Product page

www.lg.com/us/soundbars/lg-s40tr-home-theater-soundbar1Maker product pagelg.com/us/soundbars/lg-s40tr-home-theater-soundbarRead 16 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

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Manual

www.manualslib.tech/guide/739600/lg-s40tr-spt41-w-spt8-s-spt8-spk-manual.html3Owner's manualmanualslib.tech/guide/739600/lg-s40tr-spt41-w-spt8-s-spt8-spk-manual.htmlRead 16 October 2026Copy of the LG owner's manual for S40TR with subwoofer SPT41-W and rear speakers SPT8-S and SPT8-SPK, on a manual library. The LG US support page lists an owner's manual PDF but gives no direct link.

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

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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.

1year2Maker product pagelg.com/us/support/product/lg-S40TR.DUSALLKRead 16 October 2026US limited warranty: labor 1 year and parts 1 year.

Not available

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