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LG Sound Bar SN4, 2.1ch, 300W, AI Sound Pro, TV Sound Sync, Wireless subwoofer
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Key Features

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LG Sound Bar SN4, 2.1ch, 300W, AI Sound Pro, TV Sound Sync, Wireless subwoofer
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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 SN4 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 SN4 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 SN4 can be simply connected to your LG TV via Bluetooth® or optical. Your complete TV audio experience is ready in no time.
Design, features and specifications subject to change without notice. Screen images simulated and/or dramatized. Some features in videos may not be available on all models. Please refer to the TECHNICAL SPECIFICATIONS tab for a complete list of features by model.
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MODEL INFORMATION
  • Brand Information
    Sound Bar
    Model Name
    SN4
  • 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 ↑
  • Subwoofer
    171 x 390 x 261
MATERIAL
  • Main - Front / Top / Bottom
    Mold Grille/Mold/Mold
    Subwoofer - Front / Body
    Jersey/Wood
WEIGHT(KG)
  • Main
    2.1Kg
    Subwoofer
    5.3Kg
  • Gross Weight
    9.38Kg
CARTON BOX
  • Size (W x H x D) mm
    984 x 217 x 416
    Type
    TipOn
  • Color
    White+Yellow
CONTAINER Q
  • 20ft
    400
    40ft
    960
  • 40ft (HC)
    1056
NUMBER OF CHANNELS
  • Number of channels
    2.1ch
OUTPUT POWER(THD 10%)
  • Total
    300W
    Front
    50W x 2
  • Subwoofer
    200W (Wireless)
SPEAKER UNIT_FRONT(L/R)
  • SPL
    82dB
    System
    Closed
  • Woofer Unit
    40 x 100 mm
    Impedance
    4ohm
SPEAKER UNIT_SUBWOOFER
  • SPL
    85dB
    System
    Bass Reflex
  • Woofer Unit
    6 inch
    Impedance
    3ohm
NO. OF SPEAKER UNIT
  • Number of speakers
    3EA
CONNECTIVITY_GENERAL
  • Optical
    Yes (1)
    HDMI 1.4 (HDCP 1.4) - In / Out
    Yes (1)/Yes (1)
  • USB
    Yes
CONNECTIVITY_WIRELESS
  • Bluetooth Version
    4.0
    Bluetooth Codec - SBC / AAC
    Yes/Yes
DISPLAY INFORMATION
  • Display Type
    LCD (5 char.)
SOUND EFFECT
  • AI Sound Pro
    Yes
    Standard
    Yes
  • Bass Blast / Bass Blast +
    Yes
    DTS Virtual:X
    Yes
SOUND CONTROL
  • User EQ - RCU / App
    Yes/Yes
    Night Time On/Off - App
    Yes
  • Dynamic Rage On/Off - App
    Yes
    Auto Volume Leveler On/Off - App
    Yes
  • Auto Sound Engine (Default)
    Yes
CONVENIENCE
  • Remote App - Adroid OS
    Yes
    Smart Phone File Playback
    Yes
  • FOTA
    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) - APP
    Yes
    HDMI SIMPLINK
    Yes
  • HDMI Audio Return Channel (ARC)
    Yes
    Woofer Level (-15 ~ 6dB, 1dB/Step)
    Yes
  • Mute
    Yes
    Auto Dimmer
    Yes
  • USB Host
    Yes
    Built-in Music
    Yes
  • Bluetooth Stand-By
    Yes
AUDIO FORMAT(BITSTREAM)
  • LPCM
    Yes
    Dolby Digital
    Yes
  • DTS Digital Surround
    Yes
    AAC / AAC+
    Yes
FILE FORMAT
  • FLAC - USB
    Yes
    OGG - USB
    Yes
  • WAV - USB
    Yes
    MP3 - USB
    Yes
  • WMA - USB
    Yes
POWER_MAIN
  • Adapter
    25V, 1.52A
    Power Off Consumption
    0.5W ↓
  • Power Consumption
    23W
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)
  • Open Source - Yes (Full or Simple)
    Yes (Full)
    Warranty Card
    Yes
ACCESSORY_REMOTE CONTROL
  • Model Name
    MA7
    Battery(Size)
    AAA x 2
  • Battery Built-in
    Yes
ACCESSORY_OTHERS
  • Optical Cable
    Yes
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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.
Home audio and sound systems will never be the same again. With Bluetooth speakers that connect to compatible devices in your home, get access to a wider range of your favourite music, while sleek and elegant soundbars and sound plates beautify your entertainment system while boosting overall audio quality for that immersive movie or gaming experience.