Soundbars / Compare

LG S40TR vs Samsung HW-Q990D

A

Product A: LG

S40TR

50 of 98 known

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B

Product B: Samsung

HW-Q990D

67 of 98 known

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Every value links to where we found it.

Only differences

ALG S40TR

BSamsung HW-Q990D

Audio system

7 of 17 differ

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

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.

11.1.42Maker spec sheet (PDF)content.abt.com/documents/160701/samsung-soundbar-HWQ990D-spec-sheet.pdfRead 8 October 2026Supplied four-enclosure package. Manual sound-mode table gives 11.1.4 in Surround, Game Pro and Adaptive Sound. Standard Atmos/DTS:X output is 7.1.4. Channels are distinct from driver count.

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.

225Retailer pagecrutchfield.com/p_305HWQ990D/Samsung-HW-Q990D.htmlRead 8 October 2026US product highlights explicitly states 22 built-in speakers. Bar 15, sub 1 and rear 3 per enclosure (6 in total) sum to 22.

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

154Retailer pagecrutchfield.com/p_305HWQ990D/Samsung-HW-Q990D.htmlRead 8 October 2026Exact US SKU in product research. Bar array has six front woofers, three tweeters, four angled wide/side woofers and two up-firing woofers.

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

45Retailer pagecrutchfield.com/p_305HWQ990D/Samsung-HW-Q990D.htmlRead 8 October 2026

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

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.

BSamsung HW-Q990D

Component	Driver type	Count	Diameter (mm)	Orientation
Soundbar	Woofer	6	Not available	Front-firing
Soundbar	Tweeter	3	Not available	Front-firing
Soundbar	Woofer	4	Not available	Front wide/side-firing
Soundbar	Woofer	2	Not available	Up-firing
Subwoofer	Woofer	1	203.2	Not available
Rear speakers (two enclosures)	Driver	2	Not available	Front-firing
Rear speakers (two enclosures)	Driver	2	Not available	Side-firing
Rear speakers (two enclosures)	Driver	2	Not available	Up-firing

Source5Retailer pagecrutchfield.com/p_305HWQ990D/Samsung-HW-Q990D.htmlRead 8 October 2026Physical driver descriptions. Rear rows aggregate both supplied enclosures. Sub 8-inch converted with 25.4 mm/in.

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.

Yes2Maker spec sheet (PDF)content.abt.com/documents/160701/samsung-soundbar-HWQ990D-spec-sheet.pdfRead 8 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 manualbhphotovideo.com/lit_files/1126258.pdfRead 8 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

203.2mm5Retailer pagecrutchfield.com/p_305HWQ990D/Samsung-HW-Q990D.htmlRead 8 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.

22Maker spec sheet (PDF)content.abt.com/documents/160701/samsung-soundbar-HWQ990D-spec-sheet.pdfRead 8 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.

Wireless3Owner's manualbhphotovideo.com/lit_files/1126258.pdfRead 8 October 2026

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.

No3Owner's manualbhphotovideo.com/lit_files/1126258.pdfRead 8 October 2026Component list and layout show two separate AC-powered rear enclosures. The soundbar has no detachable end sections.

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

Not available

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

Not available

Not available

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

Not available

Not available

Audio formats

8 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 spec sheet (PDF)content.abt.com/documents/160701/samsung-soundbar-HWQ990D-spec-sheet.pdfRead 8 October 2026

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.

Yes2Maker spec sheet (PDF)content.abt.com/documents/160701/samsung-soundbar-HWQ990D-spec-sheet.pdfRead 8 October 2026

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.

Dolby Atmos, Dolby TrueHD, Dolby Digital Plus, Dolby Digital, DTS:X, DTS, DTS-HD High Resolution Audio, DTS Express, LPCM, Dolby MAT, DTS-HD Master Audio2Maker spec sheet (PDF)content.abt.com/documents/160701/samsung-soundbar-HWQ990D-spec-sheet.pdfRead 8 October 2026Overall decoding support. Input-specific limits are documented separately.

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

BSamsung HW-Q990D

Connection	Format
HDMI input	Dolby Atmos
HDMI input	DTS:X
HDMI eARC	Dolby Atmos
HDMI ARC	Dolby Atmos

Source3Owner's manualbhphotovideo.com/lit_files/1126258.pdfRead 8 October 2026HDMI source chapter explicitly supports Dolby Atmos and DTS:X. TV HDMI chapter states ARC/eARC support Atmos. Transport codec, bit depth and connection-specific channel limits are not inferred.

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.

MP3, AAC, OGG, FLAC, WAV, ALAC, AIFF2Maker spec sheet (PDF)content.abt.com/documents/160701/samsung-soundbar-HWQ990D-spec-sheet.pdfRead 8 October 2026Maker AV decoding list. USB music playback is not provided. Network/app route and maximum sample rate are not specified.

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.

Not available

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

192kHz3Owner's 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

Not available

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

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

12 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.

BSamsung HW-Q990D

Connector	Count	Role
HDMI	2	Audio/video input
HDMI	1	TV output with eARC/ARC
Optical	1	Digital audio input
USB-A	1	SERVICE firmware update only
AC power	1	Soundbar power input

Source3Owner's manualbhphotovideo.com/lit_files/1126258.pdfRead 8 October 2026Product overview connector drawing. SERVICE accepts a USB drive for firmware, not music. Rear speakers and subwoofer each also require AC power.

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.

Yes2Maker spec sheet (PDF)content.abt.com/documents/160701/samsung-soundbar-HWQ990D-spec-sheet.pdfRead 8 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.

Yes2Maker spec sheet (PDF)content.abt.com/documents/160701/samsung-soundbar-HWQ990D-spec-sheet.pdfRead 8 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 spec sheet (PDF)content.abt.com/documents/160701/samsung-soundbar-HWQ990D-spec-sheet.pdfRead 8 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.

Yes2Maker spec sheet (PDF)content.abt.com/documents/160701/samsung-soundbar-HWQ990D-spec-sheet.pdfRead 8 October 2026

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

ALG S40TR

Not available

BSamsung HW-Q990D

Width (px)	Height (px)	Refresh rate (Hz)
3840	2160	120

Source3Owner's manualbhphotovideo.com/lit_files/1126258.pdfRead 8 October 2026UHD table: 3840 x 2160 at 120 fps. 8/10-bit RGB and YCbCr 4:4:4, 4:2:2 and 4:2:0. At 12-bit/120 fps only 4:2:2 and 4:2:0. Certified Ultra High Speed HDMI cable required.

HDR passthrough formats

Not available

HDR10, HDR10+, Dolby Vision2Maker spec sheet (PDF)content.abt.com/documents/160701/samsung-soundbar-HWQ990D-spec-sheet.pdfRead 8 October 20267Reviewflatpanelshd.com/review.phpRead 8 October 2026Review confirms HDR10/HDR10+ passthrough. Dolby Vision passed when the bar was connected to an LG TV.

VRR passthrough

Not available

Yes7Reviewflatpanelshd.com/review.phpRead 8 October 2026Review directly tested a VRR console signal through the soundbar.

ALLM passthrough

Not available

Yes7Reviewflatpanelshd.com/review.phpRead 8 October 2026HDMI feature specification lists ALLM passthrough.

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.

Yes2Maker spec sheet (PDF)content.abt.com/documents/160701/samsung-soundbar-HWQ990D-spec-sheet.pdfRead 8 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.

5.25Retailer pagecrutchfield.com/p_305HWQ990D/Samsung-HW-Q990D.htmlRead 8 October 2026

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.

SBC3Owner's manualbhphotovideo.com/lit_files/1126258.pdfRead 8 October 2026Mobile-device connection section explicitly lists SBC at 44.1 and 48 kHz. Does not establish the maximum sample rate of other inputs.

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.

Yes2Maker spec sheet (PDF)content.abt.com/documents/160701/samsung-soundbar-HWQ990D-spec-sheet.pdfRead 8 October 2026

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

Not available

802.11ac4Retailer pagecrutchfield.com/p_305HWQ990D/Samsung-HW-Q990D.htmlRead 8 October 2026Network integration explicitly publishes dual-band 802.11ac.

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

Not available

2.4 GHz, 5 GHz4Retailer pagecrutchfield.com/p_305HWQ990D/Samsung-HW-Q990D.htmlRead 8 October 2026

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

Not available

Not available

Streaming and control

6 of 8 differ

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

Not available

AirPlay 2, Google Cast, Spotify Connect, Tidal Connect2Maker spec sheet (PDF)content.abt.com/documents/160701/samsung-soundbar-HWQ990D-spec-sheet.pdfRead 8 October 2026

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

Not available

Amazon Alexa2Maker spec sheet (PDF)content.abt.com/documents/160701/samsung-soundbar-HWQ990D-spec-sheet.pdfRead 8 October 2026Built-in Alexa for the US package. Service availability depends on region and account.

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

Not available

Yes3Owner's manualbhphotovideo.com/lit_files/1126258.pdfRead 8 October 2026

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

Not available

Yes3Owner's manualbhphotovideo.com/lit_files/1126258.pdfRead 8 October 2026Physical Mic On/Off button. Red indicator shows microphone disabled. Electrical isolation is not stated.

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.

SmartThings3Owner's manualbhphotovideo.com/lit_files/1126258.pdfRead 8 October 2026

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, Android4Retailer pagecrutchfield.com/p_305HWQ990D/Samsung-HW-Q990D.htmlRead 8 October 2026SmartThings links for Apple iOS and Android OS. No platform minimum is inferred.

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.

Yes3Owner's manualbhphotovideo.com/lit_files/1126258.pdfRead 8 October 2026Group Play through SmartThings requires supported Samsung audio devices on the same 5 GHz network. TV audio is excluded. Manual recommends no more than four devices.

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.

Yes2Maker spec sheet (PDF)content.abt.com/documents/160701/samsung-soundbar-HWQ990D-spec-sheet.pdfRead 8 October 2026

Sound processing

5 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.

Standard, Surround, Game Pro, Adaptive Sound2Maker spec sheet (PDF)content.abt.com/documents/160701/samsung-soundbar-HWQ990D-spec-sheet.pdfRead 8 October 2026

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

Not available

Yes3Owner's manualbhphotovideo.com/lit_files/1126258.pdfRead 8 October 2026Uses the microphone inside the bar to analyse the listening space and adjust sound automatically.

Room calibration system

Not available

SpaceFit Sound Pro2Maker spec sheet (PDF)content.abt.com/documents/160701/samsung-soundbar-HWQ990D-spec-sheet.pdfRead 8 October 2026US sheet names SpaceFit Sound Pro. Manual uses SpaceFit Sound Pro.

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.

Yes2Maker spec sheet (PDF)content.abt.com/documents/160701/samsung-soundbar-HWQ990D-spec-sheet.pdfRead 8 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.

Yes2Maker spec sheet (PDF)content.abt.com/documents/160701/samsung-soundbar-HWQ990D-spec-sheet.pdfRead 8 October 2026

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.

Bass, Treble, Subwoofer level, 7-band graphic EQ3Owner's manualbhphotovideo.com/lit_files/1126258.pdfRead 8 October 2026Seven bands: 150, 300, 600 Hz, 1.2, 2.5, 5 and 10 kHz. -6 to +6. Graphic EQ works only in Standard mode. Bass and treble are separate controls.

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.

Q-Symphony2Maker spec sheet (PDF)content.abt.com/documents/160701/samsung-soundbar-HWQ990D-spec-sheet.pdfRead 8 October 2026Requires a compatible Samsung television. Q-Symphony does not work over Bluetooth.

Power

3 of 6 differ

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

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.

Not available

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.

Not available

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

Not available

Not available

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

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.

Not available

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

6 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.

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.

Width1,231.9Height68.6Depth137.2mm(48.5 × 2.7 × 5.4 in)6Maker spec sheet (PDF)content.abt.com/documents/160701/samsung-soundbar-HWQ990D-spec-sheet.pdfRead 8 October 2026US maker sheet p2 publishes rounded inches 48.5 x 2.7 x 5.4. Converted using 25.4 mm/in and rounded to 0.1 mm. Figures are approximate, not extra measurement precision.

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.

7,711g(17 lb)6Maker spec sheet (PDF)content.abt.com/documents/160701/samsung-soundbar-HWQ990D-spec-sheet.pdfRead 8 October 2026US maker sheet p2 publishes 17 lb, converted using 453.59237 g/lb and rounded to 1 g. Rounded claim.

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.

BSamsung HW-Q990D

Component	Width (mm)	Height (mm)	Depth (mm)	Weight (g)
Subwoofer	218.4	411.5	408.9	11,703
Left rear speaker	127	200.7	139.7	3,402
Right rear speaker	127	200.7	139.7	3,402

Source6Maker spec sheet (PDF)content.abt.com/documents/160701/samsung-soundbar-HWQ990D-spec-sheet.pdfRead 8 October 2026US maker sheet p2 supplies rounded inches/lb. Crutchfield confirms rear weight 7.5 lb PER speaker. Converted and rounded to 0.1 mm and 1 g, without replacing with another regional SKU's metric numbers.

Package dimensions

Not available

Width1,308.1Height594.4Depth276.9mm(51.5 × 23.4 × 10.9 in)6Maker spec sheet (PDF)content.abt.com/documents/160701/samsung-soundbar-HWQ990D-spec-sheet.pdfRead 8 October 2026US maker sheet p2 rounded 51.5 x 23.4 x 10.9 in converted using 25.4 mm/in and rounded to 0.1 mm.

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.

28,213g(62.2 lb)6Maker spec sheet (PDF)content.abt.com/documents/160701/samsung-soundbar-HWQ990D-spec-sheet.pdfRead 8 October 2026US maker sheet p2 rounded 62.2 lb converted using 453.59237 g/lb and rounded to 1 g.

Wall mountable

Not available

Yes3Owner's manualbhphotovideo.com/lit_files/1126258.pdfRead 8 October 2026

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 powered subwoofer, Two wireless rear speakers, Remote control, Remote batteries, HDMI cable, Wall mount kit, Rubber feet2Maker spec sheet (PDF)content.abt.com/documents/160701/samsung-soundbar-HWQ990D-spec-sheet.pdfRead 8 October 2026

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

Not available

Yes2Maker spec sheet (PDF)content.abt.com/documents/160701/samsung-soundbar-HWQ990D-spec-sheet.pdfRead 8 October 2026

HDMI cable included

Not available

Yes2Maker spec sheet (PDF)content.abt.com/documents/160701/samsung-soundbar-HWQ990D-spec-sheet.pdfRead 8 October 2026

Optical cable included

Not available

No3Owner's manualbhphotovideo.com/lit_files/1126258.pdfRead 8 October 2026

General

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Series

Not available

Q-Series1Maker product pagesamsung.com/us/audio-devices/soundbar/q-series-11-1-4-ch-wireless-dolby-atmos-soundbar-rear-speakers-w-q-symphony-hw-q990d-sku-hw-q990d-zaRead 8 October 2026

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.

HW-Q990D/ZA1Maker product pagesamsung.com/us/audio-devices/soundbar/q-series-11-1-4-ch-wireless-dolby-atmos-soundbar-rear-speakers-w-q-symphony-hw-q990d-sku-hw-q990d-zaRead 8 October 2026US reference package includes the soundbar, a wireless powered subwoofer and two wireless powered rear speakers.

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.

8872768201492Maker spec sheet (PDF)content.abt.com/documents/160701/samsung-soundbar-HWQ990D-spec-sheet.pdfRead 8 October 2026US manufacturer spec sheet p2 explicitly publishes UPC 887276820149 for HW-Q990D/ZA.

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

Not available

7 January 20248Press releasenews.samsung.com/us/samsung-announces-tv-audio-lineup-ces-2024Read 8 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.

Not available

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

Not available

Samsung HW-Q990C9Press articletechradar.com/televisions/soundbars/samsungs-new-high-end-dolby-atmos-soundbar-with-120hz-gaming-support-gets-a-huge-price-hikeRead 8 October 2026TechRadar calls the HW-Q990D the successor to the HW-Q990C.

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

Samsung HW-Q990F10Press releasenews.samsung.com/global/samsung-electronics-unveils-new-soundbars-at-ces-2025Read 23 October 2026Samsung's CES 2025 release calls the HW-Q990F the successor to the HW-Q990D.11Reviewtechradar.com/televisions/soundbars/samsung-hw-q990f-reviewRead 23 October 2026TechRadar's review says the HW-Q990F is the successor to the HW-Q990D.

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

Not available

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 pagesamsung.com/us/audio-devices/soundbar/q-series-11-1-4-ch-wireless-dolby-atmos-soundbar-rear-speakers-w-q-symphony-hw-q990d-sku-hw-q990d-zaRead 8 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.

Black1Maker product pagesamsung.com/us/audio-devices/soundbar/q-series-11-1-4-ch-wireless-dolby-atmos-soundbar-rear-speakers-w-q-symphony-hw-q990d-sku-hw-q990d-zaRead 8 October 2026

Links

Not compared

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

www.samsung.com/us/audio-devices/soundbar/q-series-11-1-4-ch-wireless-dolby-atmos-soundbar-rear-speakers-w-q-symphony-hw-q990d-sku-hw-q990d-za1Maker product pagesamsung.com/us/audio-devices/soundbar/q-series-11-1-4-ch-wireless-dolby-atmos-soundbar-rear-speakers-w-q-symphony-hw-q990d-sku-hw-q990d-zaRead 8 October 2026

Spec sheet

Not available

content.abt.com/documents/160701/samsung-soundbar-HWQ990D-spec-sheet.pdf2Maker spec sheet (PDF)content.abt.com/documents/160701/samsung-soundbar-HWQ990D-spec-sheet.pdfRead 8 October 2026

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.

www.bhphotovideo.com/lit_files/1126258.pdf3Owner's manualbhphotovideo.com/lit_files/1126258.pdfRead 8 October 2026

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

Not available

Not available

Warranty

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.

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.