Soundbars / Compare

Samsung HW-Q990D vs TCL S55H

A

Product A: Samsung

HW-Q990D

67 of 98 known

Change Samsung HW-Q990D

Compare the TCL S55H with

Search soundbars

B

Product B: TCL

S55H

56 of 98 known

Change TCL S55H

Compare the Samsung HW-Q990D with

Search soundbars

All 98 fields

Every value links to where we found it.

Only differences

ASamsung HW-Q990D

BTCL S55H

Audio system

13 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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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

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.

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.

ASamsung 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.

BTCL 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.

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

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

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

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

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

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

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

203.2mm5Retailer pagecrutchfield.com/p_305HWQ990D/Samsung-HW-Q990D.htmlRead 8 October 2026

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.

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.

22Maker spec sheet (PDF)content.abt.com/documents/160701/samsung-soundbar-HWQ990D-spec-sheet.pdfRead 8 October 2026

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.

Included rear speaker connectioniAudio link to the supplied rear speaker enclosures. Their power connection is separate.

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

Not available

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

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.

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.

Not available

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.

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

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.

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

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.

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

Not available

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.

Audio formats

4 of 9 differ

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

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

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

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

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

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 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.

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.

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.

ASamsung 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.

BTCL S55H

Not available

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

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.

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.

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

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.

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

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.

Not available

Not available

Connectivity

11 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.

ASamsung 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.

BTCL 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.

HDMI ARC

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

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

HDMI eARC

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

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.

HDMI-CEC

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

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.

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

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

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.

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

ASamsung 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.

BTCL S55H

Not available

HDR passthrough formats

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.

Not available

VRR passthrough

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

Not available

ALLM passthrough

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

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.

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

Yes2Owner's manualstatic.helpjuice.com/helpjuice_production/uploads/upload/image/5306/6031216/S55H-US_UM_V2.2_20260106.pdfRead 15 October 2026

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

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

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.

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

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.

Not available

Wi-Fi

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

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.

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

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

Not available

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

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

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

6 of 8 differ

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

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

Not available

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

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.

Not available

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

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

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.

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.

Not available

Companion apps

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

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.

Companion app platforms

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.

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.

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

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.

Not available

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

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

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.

Sound processing

4 of 7 differ

Sound modes

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

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.

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.

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.

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

Room calibration system

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.

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.

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

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

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.

Night mode

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

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.

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

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.

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.

TV speaker integrationiNamed features allowing compatible television speakers to play with the bar. TV models and connection requirements belong in source notes.

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.

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.

Power

3 of 6 differ

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

Not available

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.

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

Not available

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.

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.

Not available

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.

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.

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.

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.

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

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.

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.

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.

ASamsung 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.

BTCL 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.

Package dimensions

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.

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.

Package weightiShipping package including supplied components and packaging.

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.

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.

Wall mountable

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

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

In the box

1 of 4 differ

In the box

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

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.

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

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

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.

HDMI cable included

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

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.

Optical cable included

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

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.

General

5 of 7 differ

Series

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

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.

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

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.

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

GTIN / EAN

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.

Not available

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

7 January 20248Press releasenews.samsung.com/us/samsung-announces-tv-audio-lineup-ces-2024Read 8 October 2026

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.

Status

Not available

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

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

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.

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.

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.

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

$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.

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.

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

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

ColoursiThe maker's own colour names

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

Not available

Links

Not compared

Product page

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

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

Spec sheet

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

Not available

Manual

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

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.

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.

Not available

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.

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