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2.1ch, 120W Sound Bar Audio System with Subwoofer and Bluetooth® Connectivity.

  • LAS355B

Key Features

  • 2.1ch, 120W
  • Bluetooth (ver. 4.0)
  • Smart Phone App

Sound Sync Wireless

Connect your Sound Bar to your Smart LG TV wirelessly via Bluetooth®.*

Sound Sync Wireless

Auto Sound Engine

Automatically balances the audio from the bass to the treble.

Auto Sound Engine

LG Music Flow Bluetooth App.

The MusicFlow Bluetooth is more than just a remote, it simplifies your listening and unites everything music into easy-to-use app.

LG Music Flow Bluetooth App.
Bluetooth® Multipoint

Bluetooth® Multipoint

Pair up to 3 devices simultaneously (including phones, tablets or PCs). So friends can play their music one-after the other, without going through the disconnecting or connecting process.

*Music Flow Bluetooth® App required. (minimum Android version 4.0.3 ) and (minimum iOS version 6)

Portable IN

Make it your own by personalizing your files via Portable In connectivity. This feature allows you to enjoy music and other digital content directly from portable devices such as MP3 players, laptops and personal multimedia players through LG sound systems.

Portable IN

USB Playback

LG Audio products let the user enjoy all the contents from the mobile devices through USB port, such file formats like MP3, WMA etc.

USB Playback
Model Name
System LAS355B
Mainset / Subwoofer Color Black
Subwoofer S35A1-W
Size (W x H x D, mm) Main 880 x 59 x 90
Size (W x H x D, mm) Foot (H) mm 3
Size (W x H x D, mm) Foot (H) mm 17
Size (W x H x D, mm) Subwoofer 156 x 300 x 281
Net Weight (Kg) Main 1.9Kg
Net Weight (Kg) Subwoofer 2.9Kg
Carton Size (W x H x D) mm 944 x 230 x 460
Gross Weight (Kg) 6.7Kg
Container Q'ty 20ft 300
Container Q'ty 40ft 620
Container Q'ty 40ft (HC) 620
Channel 2.1ch
Power Output Total 120W
THD 10% Front 25Wx2 ((TW+MID)x2)
THD 10% Subwoofer 70W(Wired)
Bluetooth Yes
In & Out
Audio Input Portable In (3.5Ø) Yes
Bluetooth (ver. 4.0) Yes
Optical Yes (1)
USB Yes (Playback)
Display Type LED (8 Char.)
LED indicator Color Red(Stand By)
Auto Display Off (LED) Yes
Audio Sound Mode
Sound Effect Standard Yes
Sound Effect Music Yes
Sound Effect Cinema Yes
Sound Effect Flat Yes
Sound Effect Boost Yes
Sound Effect Treble/Bass Yes
Sound Effect User EQ Yes
Sound Effect On/Off Yes
Dynamic Loundness Default Yes
Dynamic Range Control On/Off Yes
Auto Volume Leveler On/Off Yes
Smart Phone App Bluetooth (Android / iOS) Yes / No
Smart UX Bluetooth Stand-By Yes
Smart UX Bluetooth multi-phone pairing (Max 3개) Yes
Smart UX Music Curation Yes
Smart UX FOTA(Firmware On The Air) Yes
Smart UX Any TV Remote Compatibility Yes
Sound Sync Bluetooth (LG TV) Yes
Sound Sync Optical Yes
Automatic Power on/off Bluetooth (On / Off) Yes / Yes
Automatic Power on/off Optical (On / Off) Yes / Yes
A/V Sync 0~300ms (10ms/step) Yes
Woofer Level -20~+6dB Yes
Mute Yes
Dimmer Yes
Sleep Yes
USB Host Yes
Audio Format
Dolby Digital Yes
DTS Digital Surround Yes
FLAC Up to 192kHz Yes
OGG Up to 48kHz Yes
Power (Main) Type SMPS 110~240V, 50/60Hz
Power (Main) Power Off Consumption 0.5W Under
Power (Main) Power Consumption 21W
Power (Subwoofer) Type SMPS - (Wired)
Power (Subwoofer) Power Off Consumption - (Wired)
Power (Subwoofer) Power Consumption - (Wired)
Power (Subwoofer) Wireless - (Wired)
Speaker (Including Speaker)
Front (w/ Tweeter) SPL 84dB
Front (w/ Tweeter) System 2Way / 4SPK
Front (w/ Tweeter) Tweeter Unit 1.5 inch
Front (w/ Tweeter) Woofer Unit 40 x100 mm
Front (w/ Tweeter) Impedance 6ohm
Front (w/ Tweeter) Magnetic Shielding Non-Shield
Speaker (External Speaker)
Subwoofer Model Name S35A1-W
Subwoofer SPL 85dB
Subwoofer System 1 Way SPK
Subwoofer Woofer Unit 5.25 inch
Subwoofer Impedance 4ohm
Subwoofer Magnetic Shielding Non-Shield
Accessory Kit
Instruction Manual Wall Mount Guide Yes
Remote Control Unit Type MA3 (New Lay-Out)
Remote Control Unit Battery(Size) AAA x 2
Batteries Yes
Warranty Card Yes
Optical Cable Yes
Wall Mount Bracket Yes
Table Stand(Detachable Foot) Yes
Carton Box Type Tip-On


Simply choose a support option from the icons below:

  • Telephone

    Call an LG Support Representative at
    Sat - Thu (Except National Holidays)

    Iraq : 80011110 (8:00 am - 5:00 pm)

    Syria : 0115495400 (8:00 am - 7:00 pm)

    08005454 (Landline)

    Jordan : 065608530 (8:00 am - 7:00 pm)

    080022154 (Land line)

    Mon - Sat (Except National Holidays)

    Lebanon : 1273 (8:00 am - 7:00 pm)