Soundbars / Compare
LG S70TY vs Samsung HW-Q990C
Product A: LG
64 of 98 known
Change LG S70TY
Product B: Samsung
67 of 98 known
Change Samsung HW-Q990C
53 of 90 fields differ
- 30 different values
- 23 known for one only
- 19 the same
- 18 missing for both
Weight
0 to 30,000 g
Soundbar weight
A3,000g
B7,700g
Package weight
A12,746g
B28,200g
All 98 fields
Every value links to where we found it.


Audio system
11 of 17 differ
System channel configuration
Physical drivers in the package
Physical drivers in the bar
62Owner's manualcontent.abt.com/documents/162235/lg-soundbar-S70TY-om.pdfRead 15 October 2026Amplifier table: front 30 W x 4, center 30 W and top center (overhead) 30 W, which is six channels in the bar. This matches the What Hi-Fi? count of six drive units. Driver diameters are not published.5Reviewwhathifi.com/tv-home-cinema/lg-s70tyRead 15 October 2026Review: the soundbar features six drive units.
Not available
Up-firing drivers in the package
12Owner's manualcontent.abt.com/documents/162235/lg-soundbar-S70TY-om.pdfRead 15 October 2026Amplifier table lists a top center (overhead) channel. The manual notes speakers on the top of the product.5Reviewwhathifi.com/tv-home-cinema/lg-s70tyRead 15 October 2026Review: the central high-frequency unit faces upwards.
Driver layout
ALG S70TY
| Component | Driver type | Count | Orientation |
|---|---|---|---|
| Soundbar | Tweeter (left and right) | 2 | Not available |
| Soundbar | Mid/bass (left, center and right) | 3 | Not available |
| Soundbar | Center tweeter | 1 | Up-firing |
| Subwoofer | Woofer | 1 | Not available |
Source2Owner's manualcontent.abt.com/documents/162235/lg-soundbar-S70TY-om.pdfRead 15 October 2026The manual lists the amplifier channels, not the drivers. The layout of two front tweeters, three mid/bass units and one up-firing center tweeter comes from the What Hi-Fi? review. The subwoofer is one 1-way speaker. No driver diameters are published.5Reviewwhathifi.com/tv-home-cinema/lg-s70tyRead 15 October 2026Review: left, centre and right channels each pack a tweeter and a mid/bass unit, with the central high-frequency unit facing upwards. Firing directions of the other drivers are not stated.
BSamsung HW-Q990C
| Component | Driver type | Count | Diameter (mm) | Orientation |
|---|---|---|---|---|
| Subwoofer | Woofer | 1 | 203.2 | Side-mounted |
| Each rear speaker | Driver | 3 | Not available | One front-firing, one side-firing and one up-firing |
Separate subwoofer included
Included subwoofer connection
Included subwoofer driver diameter
Not available
Rear speakers included
Included rear speaker connection
Not available
Detachable rear speakers
Not available
Compatible optional subwoofers
Not available
Not available
Compatible optional rear speakers
Not available
Total RMS audio output power
656W3Owner's manualorg.downloadcenter.samsung.com/downloadfile/ContentsFile.aspxRead 10 October 2026Section 09 gives rated output power per component: soundbar (18 W x 4) + (10 W x 2) + (18 W x 2) + (10 W x 1) + (18 W x 6) = 246 W, subwoofer 200 W and surround speakers 210 W. The sum is 656 W, which TechRadar and a retailer also give as the system power. Maker figure is a rated amplifier output. Test conditions are not stated.6Reviewtechradar.com/televisions/home-theater/soundbars/samsung-hw-q990c-reviewRead 10 October 2026Review states 656 W across 22 speakers.
Total peak audio output power
Not available
Not available
Published frequency response lower limit
Not available
Not available
Published frequency response upper limit
Not available
Not available
Audio formats
7 of 9 differ
Dolby Atmos
DTS:X
Supported audio formats
Linear PCM, Dolby Digital, Dolby Digital Plus, Dolby TrueHD, Dolby Atmos, DTS Digital Surround, DTS-HD High Resolution Audio, DTS-HD Master Audio, DTS:X1Maker spec sheet (PDF)content.abt.com/documents/165917/lg-soundbar-S70TY-spec-sheet.pdfRead 15 October 2026Audio Format list: LPCM, Dolby Atmos, Dolby TrueHD, Dolby Digital Plus, Dolby Digital, DTS Digital Surround, DTS-HD Master Audio, DTS-HD High Resolution and DTS:X.
Dolby Digital, Dolby Digital Plus, Dolby TrueHD, Dolby Atmos, Dolby MAT, DTS Digital Surround, DTS-HD High Resolution Audio, DTS-HD Master Audio, DTS Express, DTS:X, LPCM3Owner's manualorg.downloadcenter.samsung.com/downloadfile/ContentsFile.aspxRead 10 October 2026Supported play formats: Dolby 5.1ch, Dolby Digital Plus, Dolby TrueHD, Dolby Atmos, DTS 5.1ch, DTS HD, DTS-HD Master Audio, DTS:X, LPCM 8Ch. Dolby MAT comes from the Samsung Australia page and DTS-HD High Resolution Audio and DTS Express from the Reviewed.com spec box.
Audio formats by connection
ALG S70TY
| Connection | Format |
|---|---|
| HDMI eARC | Dolby TrueHD |
| HDMI eARC | Dolby Atmos |
| HDMI eARC | DTS-HD Master Audio |
| HDMI eARC | DTS:X |
| HDMI input | Dolby Atmos |
| HDMI input | DTS:X |
BSamsung HW-Q990C
| Connection | Format |
|---|---|
| HDMI input | Dolby Atmos |
| HDMI input | DTS:X |
| HDMI eARC | Dolby Atmos |
| HDMI ARC | Dolby Atmos |
Music file formats
Max wired audio sample rate
Not available
Max music file sample rate
Not available
Max wired audio bit depth
Not available
Connectivity
11 of 17 differ
Ports on the bar
ALG S70TY
| Connector | Count | Role |
|---|---|---|
| HDMI | 1 | HDMI IN for an external source, with video passthrough to the TV |
| HDMI | 1 | HDMI OUT to the TV, eARC and ARC |
| Optical | 1 | Optical digital audio input |
| USB-A | 1 | Music playback from a USB storage device, 5 V 500 mA |
| AC power | 1 | Soundbar power input |
BSamsung HW-Q990C
| Connector | Count | Role |
|---|---|---|
| HDMI | 2 | Audio and video input |
| HDMI | 1 | TV video output and eARC/ARC audio return |
| Optical | 1 | Digital audio input |
| USB-A | 1 | SERVICE firmware update only |
| AC power | 1 | Soundbar power input |
HDMI ARC
HDMI eARC
HDMI-CEC
HDMI video passthrough
Video passthrough modes
ALG S70TY
| Width (px) | Height (px) | Refresh rate (Hz) |
|---|---|---|
| 3840 | 2160 | 120 |
BSamsung HW-Q990C
Not availableHDR passthrough formats
Dolby Vision, HDR101Maker spec sheet (PDF)content.abt.com/documents/165917/lg-soundbar-S70TY-spec-sheet.pdfRead 15 October 2026HDR10 / HDR10+: Yes / No. Dolby Vision: Yes.
HDR10, HDR10+, Dolby Vision, HLG6Reviewtechradar.com/televisions/home-theater/soundbars/samsung-hw-q990c-reviewRead 10 October 2026Review lists HDR10+, Dolby Vision, HDR10 and HLG through the HDMI loop-through. The Samsung page only names HDR 10+. No 4K 120 Hz passthrough.7Reviewreviewed.com/home-theater/content/samsung-hw-q990c-soundbar-reviewRead 10 October 2026Spec box video support lists Dolby Vision, HDR10+ and HDR10.
VRR passthrough
Not available
ALLM passthrough
Not available
HDCP version
Bluetooth audio input
Bluetooth version
Bluetooth audio codecs
Wi-Fi
No5Reviewwhathifi.com/tv-home-cinema/lg-s70tyRead 15 October 2026Review: no network connection, so Spotify Connect, Tidal Connect and AirPlay 2 are not supported. Review spec box lists streaming as No. Abt lists Wi-Fi No. A December 2023 pre-launch French article titled the model with Wi-Fi, which the final specifications do not show.6Retailer pageabt.com/LG-Soundbar-3.1.1-Channel-with-Dolby-Atmos-and-Subwoofer-S70TY/p/207280.htmlRead 15 October 2026Specifications: Wi-Fi No, AirPlay No. Same page lists the spec sheet and owner's manual PDFs used above.
Wi-Fi standard
Not available
Wi-Fi bands
Not available
Built-in Ethernet speed
Not available
Not available
Streaming and control
5 of 8 differ
Streaming protocols
Not available
Voice assistants
Not available
Built-in microphone
Not available
Microphone mute control
Not available
Companion apps
Companion app platforms
Multiroom audio
Not available
Not available
Sound processing
5 of 7 differ
Sound modes
AI Sound Pro, Standard, Music, Cinema, Clear Voice Pro, Sports, Game, Bass Blast1Maker spec sheet (PDF)content.abt.com/documents/165917/lg-soundbar-S70TY-spec-sheet.pdfRead 15 October 2026Sound modes: AI Sound Pro, Standard, Music, Cinema, Clear Voice Pro, Bass Blast, Bass Blast +, Sports, Game. Bass Blast and Bass Blast + are stored as one mode.
Standard, Surround, Game Pro, Adaptive Sound2Maker product pagesamsung.com/au/audio-devices/soundbar/q990c-black-hw-q990c-xyRead 10 October 20264Owner's manualwinnings.com.au/manuals/ak/b/d/8/4/bd84578f8225e0bcccc18029edc2adf571c3833a_HW_Q990C_XY___user_manual.pdfRead 10 October 2026Effect table lists Standard, Surround, Game Pro and Adaptive Sound.
Automatic room calibration
Not available
Room calibration system
Not available
SpaceFit Sound Pro4Owner's manualwinnings.com.au/manuals/ak/b/d/8/4/bd84578f8225e0bcccc18029edc2adf571c3833a_HW_Q990C_XY___user_manual.pdfRead 10 October 2026SpaceFit Sound analyses the listening space with the soundbar's microphone. Samsung UK press names it SpaceFit Sound Pro.5Press releasenews.samsung.com/uk/samsung-announces-the-uk-availability-of-its-2023-q-series-audio-rangeRead 10 October 2026UK release dated April 2023 states SpaceFit Sound Pro and built-in Alexa with Wi-Fi are on the Q990C, Q930C and Q800C. It also states 22 built-in speakers and UK availability from 4 April 2023.
Dialogue enhancement
Night mode
Equalizer controls
Bass, Treble, Subwoofer level, 7-band graphic EQ4Owner's manualwinnings.com.au/manuals/ak/b/d/8/4/bd84578f8225e0bcccc18029edc2adf571c3833a_HW_Q990C_XY___user_manual.pdfRead 10 October 2026Tone control sets treble and bass. Woofer level button. Holding Sound Control gives seven bands at 150 Hz, 300 Hz, 600 Hz, 1.2 kHz, 2.5 kHz, 5 kHz and 10 kHz.
TV speaker integration
Power
1 of 6 differ
Published operating power
Published standby power
Published networked standby power
Not available
Not available
Power supply
Not available
Not available
Detachable rear battery life
Not available
Not available
Detachable rear charge time
Not available
Not available
Measured
None of 8 known
Low-frequency extension (measured)
Not available
Not available
High-frequency extension (measured)
Not available
Not available
Max sound pressure (measured)
Not available
Not available
Frequency response deviation (measured)
Not available
Not available
Measured latency
Not available
Not available
Operating power (measured)
Not available
Not available
Standby power (measured)
Not available
Not available
Soundbar weight (measured)
Not available
Not available
Dimensions and weight
5 of 6 differ
Soundbar dimensions
Width950Height63Depth115mm(37.4 × 2.5 × 4.5 in)2Owner's manualcontent.abt.com/documents/162235/lg-soundbar-S70TY-om.pdfRead 15 October 2026Approx. 950.0 x 63.0 x 115.0 mm (W x H x D) including the base.
Width1,232Height69.5Depth138mm(48.5 × 2.7 × 5.4 in)2Maker product pagesamsung.com/au/audio-devices/soundbar/q990c-black-hw-q990c-xyRead 10 October 2026Net Dimension (Main Speaker) 1232.0 x 69.5 x 138.0 mm.3Owner's manualorg.downloadcenter.samsung.com/downloadfile/ContentsFile.aspxRead 10 October 2026Section 09: soundbar 1232.0 x 69.5 x 138.0 mm. Weight and dimensions are approximate.
Soundbar weight
Component dimensions and weight
ALG S70TY
| Component | Width (mm) | Height (mm) | Depth (mm) | Weight (g) |
|---|---|---|---|---|
| Subwoofer | 200 | 377 | 285 | 5,700 |
Source2Owner's manualcontent.abt.com/documents/162235/lg-soundbar-S70TY-om.pdfRead 15 October 2026Wireless subwoofer approx. 200.0 x 377.0 x 285.0 mm (W x H x D) including the base. Weight comes from the LG Singapore page.4Maker product pagelg.com/sg/speakers/soundbars/s70tyRead 15 October 2026Singapore specification list: subwoofer weight 5.7 kg and 200 x 377 x 285 mm. The US sheet gives 12.7 lbs. What Hi-Fi? also gives 5.7 kg.
BSamsung HW-Q990C
| Component | Width (mm) | Height (mm) | Depth (mm) | Weight (g) |
|---|---|---|---|---|
| Subwoofer PS-WC99B | 220 | 413 | 410 | 11,700 |
| Each rear speaker PS-RC99B | 129.5 | 201.3 | 140.4 | 3,400 |
Package dimensions
Width1,013.5Height454.7Depth259.1mm(39.9 × 17.9 × 10.2 in)1Maker spec sheet (PDF)content.abt.com/documents/165917/lg-soundbar-S70TY-spec-sheet.pdfRead 15 October 2026Carton size (WxHxD) 39.9 x 17.9 x 10.2 in. Converted exactly and rounded to 0.1 mm. Abt lists the same box as 18 x 10 x 39 in (H x W x L).
Package weight
Wall mountable
In the box
2 of 4 differ
In the box
Soundbar, Wireless subwoofer, Remote control, 2 AA batteries, Wall mount bracket, Wall bracket installation guide, Warranty card1Maker spec sheet (PDF)content.abt.com/documents/165917/lg-soundbar-S70TY-spec-sheet.pdfRead 15 October 2026Included accessories: remote control, 2 AA batteries, wall mount bracket and warranty card. The manual adds the wall bracket installation guide. The soundbar and subwoofer are the product itself.
Soundbar, Wireless subwoofer, Two wireless rear speakers, Remote control, Remote batteries, Four power cords, HDMI cable, Wall mount brackets, screws and guide, Rubber feet2Maker product pagesamsung.com/au/audio-devices/soundbar/q990c-black-hw-q990c-xyRead 10 October 2026Accessory lists remote, wall mount bracket and four power cables.4Owner's manualwinnings.com.au/manuals/ak/b/d/8/4/bd84578f8225e0bcccc18029edc2adf571c3833a_HW_Q990C_XY___user_manual.pdfRead 10 October 2026Components list shows the soundbar, remote and batteries, subwoofer, two surround speakers, four power cords, HDMI cable, wall mount guide, screws, brackets and rubber feet.
Wall mount hardware included
HDMI cable included
Optical cable included
General
6 of 7 differ
Series
Not available
Model numbers
GTIN / EAN
Announced
Status
Predecessor
Not available
Not available
Successor
Not available
Launch price (US)
Not available
$1,899.997Reviewreviewed.com/home-theater/content/samsung-hw-q990c-soundbar-reviewRead 10 October 2026Spec box gives price $1,899.99 in a US review. Digital Trends gave $1,900 on 25 May 2023. TechRadar gave $1,599, likely a sale price. US price excludes sales tax. Conflict recorded as a doubt.8Press articledigitaltrends.com/home-theater/2023-samsung-dolby-atmos-soundbars-prices-specs-availabilityRead 10 October 2026Article published 25 May 2023 lists the HW-Q990C 2023 at $1,900, available now.
Markets
Links
Not compared
Product page
Spec sheet
content.abt.com/documents/165917/lg-soundbar-S70TY-spec-sheet.pdf1Maker spec sheet (PDF)content.abt.com/documents/165917/lg-soundbar-S70TY-spec-sheet.pdfRead 15 October 2026LG USA one-page specification sheet dated 07/25/24, hosted by Abt. The LG USA support page could not be read.
Not available
Manual
content.abt.com/documents/162235/lg-soundbar-S70TY-om.pdf2Owner's manualcontent.abt.com/documents/162235/lg-soundbar-S70TY-om.pdfRead 15 October 2026Owner's manual 2312_Rev01, hosted by Abt. Model S70TY (S70TY, SPT5-W).
org.downloadcenter.samsung.com/downloadfile/ContentsFile.aspx3Owner's manualorg.downloadcenter.samsung.com/downloadfile/ContentsFile.aspxRead 10 October 2026Samsung download center quick guide for HW-Q990C, English edition for Europe. Section 09 holds the specifications. The same hardware tables appear in the Australian and Middle East editions.
EPREL registration number
Not available
Not available
Warranty
0 of 1 differ
Manufacturer warranty (source market)
Both are also in the API. Back to all soundbars.

















