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SN4
LG Sound Bar SN4
  • Carbon woofer
  • AI Sound Pro
  • Wireless subwoofer
  • Connectivity
  • Bluetooth Streaming
  • TV Sound Sync
LG Sound Bar SN4

Stock List

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.

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
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