Carbon Woofer

Pursue High Fidelity Sound

Each woofer unit is designed with a carbon diaphragm to secure excellent clarity.

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. 

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. 

Connectivity

Connect More Conveniently

Add Bluetooth® connectivity to your audio setup, or conveniently connect and play using optical or HDMI cables.

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. 

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