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.
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.
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.
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.
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.
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
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(1)+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*2
Subwoofer
200W(Wireless)
Speaker Unit_Front(L/R)
SPL
82dB
System
Closed
Woofer Unit
40x100mm
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
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
NSU
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 (1)
Bluetooth Stand – By
Yes
Audio Format(Bitstream)
LPCM
Yes
Dolby Digital
Yes
DTS Digital Surround
Yes
File Format
FLAC – USB
Yes
OGG – USB
Yes
WAV – USB
Yes
MP3 – USB
Yes
WMA – USB
Yes
Power_Main
Adapter
25V, 2A
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 (`19)
Battery(Size)
AAA x 2
Battery Built-in
Yes
Accessory_Others
Optical Cable
Yes
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