Soundbars / Compare
LG S40TR vs LG S90TR
Product A: LG
50 of 98 known
Product B: LG
58 of 98 known
43 of 90 fields differ
- 21 different values
- 22 known for one only
- 18 the same
- 29 missing for both
Weight
0 to 30,000 g
Soundbar weight
A1,650g
B5,650g
Package weight
A10,000g
B25,300g
All 98 fields
Every value links to where we found it.


Audio system
5 of 17 differ
System channel configuration
Physical drivers in the package
Physical drivers in the bar
Not available
Not available
Up-firing drivers in the package
Not available
Driver layout
ALG S40TR
| Component | Driver type | Count |
|---|---|---|
| Subwoofer | Woofer, 1-way, 3 Ω | 1 |
| Rear speakers | Full-range speaker, 1-way, 4 Ω | 2 |
BLG S90TR
Not availableSeparate subwoofer included
Included subwoofer connection
Included subwoofer driver diameter
Not available
Not available
Rear speakers included
Included rear speaker connection
Detachable rear speakers
Compatible optional subwoofers
Not available
Not available
Compatible optional rear speakers
Not available
Not available
Total RMS audio output power
670W2Maker product pagelg.com/ca_en/speakers/soundbars/s90trRead 10 October 2026All Spec General: Output Power 670 W. LG calls it 670W 7.1.3ch surround sound with subwoofer and rear speakers. SoundGuys also gives 670 W. The page does not say RMS in its spec list. A retailer title states 670W RMS but that page was not opened.5Reviewsoundguys.com/product/lg-s90trRead 10 October 2026SoundGuys spec list gives total power output 670 W for the 7.1.3 system with wireless subwoofer.
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
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.
LPCM, 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)static.pcrichard.com/docs/S90TR_Specifications-Sheet_01.pdfRead 10 October 2026
Audio formats by connection
Not available
Not available
Music file formats
Max wired audio sample rate
Not available
Max music file sample rate
Not available
Max wired audio bit depth
Not available
Not available
Max music file bit depth
Not available
Connectivity
11 of 17 differ
Ports on the bar
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 |
BLG S90TR
| Connector | Count | Role |
|---|---|---|
| HDMI | 1 | Audio and video input |
| HDMI | 1 | TV video output and eARC/ARC audio return |
| Optical | 1 | Digital audio input |
| USB-A | 1 | USB storage audio playback |
HDMI ARC
HDMI eARC
HDMI-CEC
HDMI video passthrough
Video passthrough modes
ALG S40TR
Not availableBLG S90TR
| Width (px) | Height (px) | Refresh rate (Hz) |
|---|---|---|
| 3840 | 2160 | 120 |
HDR passthrough formats
Not available
VRR passthrough
Not available
ALLM passthrough
Not available
HDCP version
Not available
Bluetooth audio input
Bluetooth version
Bluetooth audio codecs
Wi-Fi
Wi-Fi standard
Not available
Not available
Wi-Fi bands
Not available
Built-in Ethernet speed
Not available
Not available
Streaming and control
4 of 8 differ
Streaming protocols
Not available
AirPlay 2, Google Cast, Spotify Connect, Tidal Connect1Maker spec sheet (PDF)static.pcrichard.com/docs/S90TR_Specifications-Sheet_01.pdfRead 10 October 2026Google Cast is called Chromecast. Tidal Connect, Spotify Connect and Apple AirPlay 2 are Yes.
Voice assistants
Not available
Built-in microphone
Not available
Not available
Microphone mute control
Not available
Not available
Companion apps
Not available
Companion app platforms
Multiroom audio
Remote included
Sound processing
4 of 7 differ
Sound modes
AI Sound Pro, Standard, Cinema, Game3Owner's manualmanualslib.tech/guide/739600/lg-s40tr-spt41-w-spt8-s-spt8-spk-manual.htmlRead 16 October 2026Sound effects table: AI Sound Pro, Standard, Cinema and Game.
AI Sound Pro, Standard, Music, Cinema, Clear Voice Pro, Bass Blast, Bass Blast +, Sports, Game1Maker spec sheet (PDF)static.pcrichard.com/docs/S90TR_Specifications-Sheet_01.pdfRead 10 October 2026Sound modes list. DTS:X and Dolby Atmos are decoding formats, not presets.
Automatic room calibration
Not available
Room calibration system
Not available
Dialogue enhancement
Night mode
Equalizer controls
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.
Not available
TV speaker integration
Power
2 of 6 differ
Published operating power
Published standby power
Published networked standby power
Not available
Not available
Power supply
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 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
6 of 6 differ
Soundbar dimensions
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.
Width1,250Height63Depth135mm(49.2 × 2.5 × 5.3 in)2Maker product pagelg.com/ca_en/speakers/soundbars/s90trRead 10 October 2026All Spec Dimension: Main 1250 x 63 x 135 mm. The US sheet gives 49.2 x 2.5 x 5.3 in.
Soundbar weight
Component dimensions and weight
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 |
BLG S90TR
| Component | Width (mm) | Height (mm) | Depth (mm) | Weight (g) |
|---|---|---|---|---|
| Subwoofer | 201.7 | 407 | 403 | 10,000 |
| Each rear speaker | 100 | 176.5 | 120 | Not available |
| Rear speaker pair | Not available | Not available | Not available | 2,340 |
Package dimensions
Not available
Width1,343.7Height571.5Depth261.6mm(52.9 × 22.5 × 10.3 in)1Maker spec sheet (PDF)static.pcrichard.com/docs/S90TR_Specifications-Sheet_01.pdfRead 10 October 2026Carton Size 52.9 x 22.5 x 10.3 in as width, height and depth. Converted exactly from rounded inch values.
Package weight
In the box
3 of 4 differ
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.
S90TR soundbar, Wireless subwoofer, Two wireless rear speakers, Remote control, Two AA batteries, Wall mount bracket, HDMI cable, Warranty card1Maker spec sheet (PDF)static.pcrichard.com/docs/S90TR_Specifications-Sheet_01.pdfRead 10 October 2026Included accessories: remote control, AA x 2 batteries, wall mount bracket, warranty card and HDMI cable. The soundbar, subwoofer and rear speaker kit are the package contents.
Wall mount hardware included
Not available
HDMI cable included
Not available
Optical cable included
Not available
Not available
General
1 of 7 differ
Series
Not available
Not available
Model numbers
GTIN / EAN
Announced
Not available
Not available
Status
Predecessor
Not available
Not available
Successor
Not available
Not available
Launch price (US)
Not available
Not available
Launch price (EU)
Not available
Not available
Markets
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.
Links
Not compared
Product page
Spec sheet
Not available
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.
Not available
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.

















