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LG Sound Bar SN4
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Key Features

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LG Sound Bar SN4
Where to Buy
Very close up woofer that is maden carbon Very close up woofer that is maden carbon
Carbon Woofer

Pursue High Fidelity Sound

Each woofer unit is designed with a carbon diaphragm to secure excellent clarity.
A TV is shown on a gray wall and LG Soundbar below it on a gray shelf. TV shows a conductor conducting an orchestra. A TV is shown on a gray wall and LG Soundbar below it on a gray shelf. TV shows a conductor conducting an orchestra.
AI Sound Pro

Adaptive Audio for Everything You Watch

AI Sound Pro automatically analyzes content to instantly optimize audio settings for what’s playing. Catch every detail with crystal clear dialogue or more punchy powerful action, depending on the genre.
Sound bar is on the white shelf and left side, there is sub woofer. The subwoofer looks bigger because it's more forward. Sound bar is on the white shelf and left side, there is sub woofer. The subwoofer looks bigger because it's more forward.
Wireless Subwoofer

Add More Power Easily

Feel the beat with the powerful LG Sound Bar SL4Y wireless subwoofer. Pumping out an extra 200 watts, it’s sounds good and it’s convenient to install.
Close-up LG Soundbar right side with LG logo on the bottom right corner. Connectivity icons shown above the product. Close-up LG Soundbar right side with LG logo on the bottom right corner. Connectivity icons shown above the product.
Connectivity

Connect More Conveniently

Add Bluetooth® connectivity to your audio setup, or conveniently connect and play using optical or HDMI cables.
Close-up right side of LG Soundbar next to smartphone. Two devices are on the white shelf. Close-up right side of LG Soundbar next to smartphone. Two devices are on the white shelf.
Bluetooth® Streaming

Stream Smart for Quality Sound

Stream music directly from your smartphone to LG Sound Bar SL4Y via Bluetooth®. Exceptional sound for all your music is now all within your reach.
The TV is attached to the wall, and the sound bar is on a white shelf. TV showing a man plays guitar. The TV is attached to the wall, and the sound bar is on a white shelf. TV showing a man plays guitar.
TV Sound Sync

Sync Seamlessly

LG Sound Bar SL4 can be simply connected to your LG TV via Bluetooth® or optical. Your complete TV audio experience is ready in no time.
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Model Information
  • Brand Information
    Sound Bar
    Model Name
    SN4
  • Rear Speaker Model Name
    No
    Subwoofer Model Name
    SPN4B-W
  • System (Main Chip)
    MT8502
    Mainset / Subwoofer Color
    Black
Size(W x H x D, mm)
  • Main (w/ Foot )
    890 x 57 x 85
    Matching TV size (`20 New)
    40 inch ↑
  • Addtional Foot (H) mm
    No
    Wireless Box
    No
  • Rear Speaker
    No
    Subwoofer
    171 x 390 x 261
Material
  • Main - Front / Top / Bottom
    Mold Grille/Mold/Mold
    Wireless Box - Front / Body
    No / No
  • Wireless Speaker - Front / Body
    No / No
    Subwoofer - Front / Body
    Jersey / Wood
Weight(Kg)
  • Main
    2.1Kg
    Wireless Box
    82 Db
  • Rear Speaker (2EA)
    No
    Subwoofer
    5.3Kg
  • Gross Weight
    9.38Kg
Number of Channels
  • Number of channels
    2.1ch
Output Power(THD 10%)
  • Total
    300W
    Front
    50W x 2
  • Center
    No
    Surround
    No
  • Top
    No
    Rear
    No
  • Rear Top
    No
    Subwoofer
    200W(Wireless)
Speaker Unit_Front(L/R)
  • SPL
    82dB
    System
    Closed
  • Tweeter Unit
    No
    Woofer Unit
    40 x 100 mm
  • Impedance
    4ohm
Speaker Unit_Center
  • SPL
    No
    System
    No
  • Tweeter Unit
    No
    Woofer Unit
    No
  • Impedance
    No
Speaker Unit_Surround(Side)(L/R)
  • SPL
    No
    System
    No
  • Woofer Unit
    No
    Impedance
    No
Speaker Unit_Top(L/R)
  • SPL
    No
    System
    No
  • Woofer Unit
    No
    Impedance
    No
Speaker Unit_Rear(L/R)
  • SPL
    No
    System
    No
  • Woofer Unit
    No
    Impedance
    No
Speaker Unit_Rear Top(L/R)
  • SPL
    No
    System
    No
  • Woofer Unit
    No
    Impedance
    No
Speaker Unit_Subwoofer
  • SPL
    85dB
    System
    Bass Reflex
  • Woofer Unit
    6 inch
    Impedance
    3ohm
No. of Speaker Unit
  • Number of speakers
    3EA
Connectivity_General
  • Audio Input (3.5Ø)
    No
    Optical
    Yes(1)
  • HDMI 1.4 (HDCP 1.4) - In / Out
    Yes(1) / Yes(1)
    HDMI 2.1 (HDCP 2.3) - In / Out
    No/No
  • HDR10 / HDR10+
    No/No
    Dolby Vision
    No
  • USB
    Yes
    FM Radio
    No
Connectivity_Wireless
  • Bluetooth Version
    4.0
    Bluetooth Codec - SBC / AAC
    Yes/Yes
  • Wi-Fi (2.4G / 5G)
    No
    Wireless Rear ready
    No
Display Information
  • Display Type
    LCD (5 char.)
    LED Indicator Color
    No
  • AI Indicatior
    No
Hi-Resolution Audio
  • Sampling - "24bit/192kHz" / "24bit/96kHz"
    No / No
    Upbit/upsampling - "24bit/192kHz" / "24bit/96kHz"
    No / No
Sound Effect
  • AI Sound Pro
    Yes
    Standard
    Yes
  • Music
    No
    Bass Blast / Bass Blast +
    Yes
  • Movie (Dolby Surround)
    No
    Dolby ATMOS
    No
  • DTS:X
    No
    DTS Virtual:X
    Yes
Sound Control
  • User EQ - RCU / App
    Yes / Yes
    Night Time On/Off - RCU / App
    No / Yes
  • Dynamic Rage On/Off - RCU / App
    No / Yes
    Auto Volume Leveler On/Off - RCU / App
    No / Yes
  • Auto Sound Engine (Default)
    Yes
    SFX (Default)
    No
  • AI Room Calibration (2 MIC In) - App
    No
FM Radio Supported
  • Type
    No
    FM / RDS
    No
  • Frequency Range
    No
    Station Preset
    No
  • Preset Memory / Erase
    No
    Information Display (RDS - PTY, PS, CT, RT)
    No
Google Supported
  • Google Assistant Built In (Controller, 2 MIC In)
    No
    Works with the Google Assistant (Controllee)
    No
  • Chromecast
    No
    Google Multi Zone (One Source → Multi Speaker)
    No
  • Google Fast Pairing
    No
CONVENIENCE
  • Remote App - iOS / Adroid OS
    No / Yes
    Smart Phone File Playback
    Yes
  • EZ setup (BLE)
    No
    NSU / FOTA
    No / Yes
  • Control with your TV Remote (Vol+/-, Mute)
    Yes
    Sound Sync - Bluetooth(LG TV) / Optical
    Yes / Yes
  • Auto Power On/Off - Bluetooth (LGTV) / Optical
    Yes / Yes
    A/V Sunc (0~300ms) - RCU / APP
    No / Yes
  • HDMI SIMPLINK
    Yes
    HDMI Audio Return Channel (ARC)
    Yes
  • HDMI Audio Return Channel (e-ARC)
    No
    Woofer Level (-15 ~ 6dB, 1dB/Step)
    Yes
  • Channel Level (-6 ~ 6dB, 1dB/Step)
    - Top / Center / Surround / Rear / Rear Top
    No / No / No / No / No
    Mute
    Yes
  • Auto Dimmer
    Yes
    Sleep Timer - RCU / App
    No / No
  • USB Host / Charge
    Yes / No
    Built-in Music
    Yes (1)
  • Bluetooth Stand-By
    Yes
    Auto Detect (Bluetooth)
    No
Audio Format(Bitstream)
  • LPCM
    Yes
    Dolby Atmos
    No
  • Dolby TrueHD
    No
    Dolby Digital Plus
    No
  • Dolby Digital
    Yes
    DTS:X
    No
  • DTS-HD Master Audio
    No
    DTS-HD High Resolution
    No
  • DTS Digital Surround
    Yes
    AAC / AAC+
    Yes
FILE FORMAT
  • FLAC - C4A / USB
    No / Yes
    OGG - C4A / USB
    No / Yes
  • WAV - C4A / USB
    No / Yes
    MP3 - C4A / USB
    No / Yes
  • WMA - C4A / USB
    No / Yes
    AAC - C4A / USB
    No / No
Power_Main
  • Adapter
    25V, 1.52A
    Power Off Consumption
    0.5W ↓
  • Power Consumption
    23W
Power_Rear Speaker/Wireless Box
  • Type (SMPS)
    No
    Power Off Consumption
    No
  • Power Consumption
    No
    Wireless Frequency
    No
Power_Subwoofer
  • Type (SMPS)
    100~240V, 50/60Hz
    Power Off Consumption
    0.5W ↓
  • Power Consumption
    33W
    Wireless Frequency
    5GHz
Accessory_Manual
  • Web Manual (File)
    Yes (Full)
    Built-in Manual (Book) (Simple or Full)
    Yes (Simple)
  • Wall Mount Guide
    No
    Wireless Speaker Reset Guide
    No
  • Open Source - Yes (Full or Simple) / No
    Yes (Full)
    Warranty Card
    Yes
Accessory_Remote Control
  • Model Name
    MA7 (`19)
    Battery(Size)
    AAA x 2
  • Battery Built-in
    Yes
Accessory_Others
  • Rear Speaker Cable
    No
    Optical Cable
    Yes
  • Wall Mount Bracket
    No
    Cable Management (Tie)
    No
  • Additioanl Foot
    No
    FM Antenna
    No
What people are saying
4.7 / 5
Overall Ratings
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Most helpful reviews

KATHIRAV********
2022-04-17 11:56:17
I recommend this product
Terbaik..
Sangat Berbaloi dengan rm yang kita bayar pada LN4..dan berpuas hati dgn sound/bunyinya..saya beli di SenHeng Electric Jln Ali, Muar dengan pembantu Jualan En Edy..sangat berpuas hati dengan penjelasan beliau berkenaan dengan model LN4 Soundbar yang mampu milik ini..saya PILIH LG..TERBAIK..
I recommend this product
Reviews
LimSl*****
2023-06-07 00:33:15
I recommend this product
Good and clear bass and treble
Nice sound bar, really recommended to buy if budget
I recommend this product
Edit Delete
Post Comment
KATHIRAV********
2022-04-17 11:56:17
I recommend this product
Terbaik..
Sangat Berbaloi dengan rm yang kita bayar pada LN4..dan berpuas hati dgn sound/bunyinya..saya beli di SenHeng Electric Jln Ali, Muar dengan pembantu Jualan En Edy..sangat berpuas hati dengan penjelasan beliau berkenaan dengan model LN4 Soundbar yang mampu milik ini..saya PILIH LG..TERBAIK..
I recommend this product
Edit Delete
Post Comment
RazakY*****
2021-12-17 12:41:59
I recommend this product
Bajet yang boleh puashati.
Bunyi yang sesuai untuk ruang tamu yang tidak besar.. DTS VirtualX jelas pembahagiannya didengari baik.. Bass kena lebih gema ini bermakna Subwoofer kena lagi besar bagi model ini .. Subwoofer sometimes intermittent signal /1meter 🤨
I recommend this product
Edit Delete
Post Comment
Fabio de Andrade
2021-08-06 14:56:46
I recommend this product
A very good soundbar that matches my LG TV
A very good soundbar that is a great match for my LG TV. It has a good sound, can fill the room with deep bass, and adds a lot of experience to watch any content on the TV. The only downside I would say is that the settings for equaliser are not that good, but it's very good to have them available. I can fine-tune the treble and the bass, but I don't feel they are very precise, especially the distribution between the soundbar and the subwoofer. However, overall is a very good set for the price, and I recommend it.
I recommend this product
Edit Delete

Originally posted on LG.com/UK

Post Comment
Coretta
2021-07-16 16:45:05
I recommend this product
Good quality product
This sound bar is really good quality and value for money. My family are very happy and love it!
I recommend this product
Edit Delete

Originally posted on LG.com/UK

Post Comment
Sean1999
2021-07-08 13:00:08
I recommend this product
A good unit for the money
Excellent unit for the price. It works well with our LG TV and fits nicely on the TV unit. Easy to set up and link to the TV, took less than 10 minutes although it did require some tweaking.
I recommend this product
Edit Delete

Originally posted on LG.com/UK

Post Comment
Ali2697
2021-02-23 12:00:07
I recommend this product
Great sound bar
It’s a great sound bar if you don’t have the new LG Un TVs I bought Lg55un8100 & tbh didn’t need the sound bar but as it’s WiFi I can connect to my Spotify on my phone, great sound just depends what you want from your tv if it doesn’t have a cinema sound then I highly recommend this & it’s easy to set up
I recommend this product
Edit Delete

Originally posted on LG.com/UK

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Chris99
2021-02-20 09:15:07
I recommend this product
Excellent Sound
Good clean lines and stylish all black sound bar. Easy to install and works brilliantly with my LG TV
I recommend this product
Edit Delete

Originally posted on LG.com/UK

Post Comment
meeee
2021-02-13 11:00:09
I recommend this product
Excellent
gives excellent sound quality
placed sub-woofer at the back of the room which made a massive difference
definitely worth buying
I recommend this product
Edit Delete

Originally posted on LG.com/UK

Post Comment
Eric
2021-02-13 10:45:13
I recommend this product
Excellent product
Very easy to set up, excellent quality and value for money
I recommend this product
Edit Delete

Originally posted on LG.com/UK

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*Prices, promotions and availability may vary by store and online. Prices subject to change without notice. Quantities are limited. Check with your local retailers for final price and availability.
Sound meets style with the LG range of Home Audio Systems. You’ll find a stereo system that lets you play music from your MP3 player or other audio devices, record CD audio to your MP3 or USB player, and much more. At LG, you’ll find your own home audio devices packed with features that make them sound even better than they look.