To properly experience our website, you will need to use an alternate browser or upgrade to a newer version of internet Explorer (IE10 or greater).

The website utilizes responsive design to provide convenient experience that conforms to your devices screen size. In order to get the best possible experience our LG.COM website please follow below instructions.

If you’re using Internet Explorer 8 or earlier, you will need to use an alternate browser such as Firefox or Chrome or upgrade to a newer version of internet Explorer (IE10 or greater).

If you’re using Internet Explorer 10 and higher, turn off your Internet Explorer browser’s “Compatibility View settings” by following steps below:

  • Right click at the top of your browser and make sure the “Menu Bar” option is selected
  • Select “Tools” from the menu bar and then select “Compatibility View settings”
  • In the pop-up menu uncheck all three boxes and click “Close”
  • Your browser window will automatically refresh and you’ll be ready to go
Skip to Contents

LG Music Flow LAS855M Curved Wireless Soundbar

  • LAS855M

  • Discontinued Product

Key Features

  • The Ultimate Curve
  • Exquisite Sound
  • 4.1ch 360W
  • Google Cast for Audio
  • Bluetooth™ and Wi-Fi® Compatibility
Size (W x H x D) mm 1200 x 43 x 82
Foot (H) mm 3.5
Subwoofer: Size (W x H x D) mm 171 x 390 x 261
Net Weight (Kg) 2.7
Subwoofer: Net Weight (Kg) 5.6
Carton Size (W x H x D) mm 1266 x 433 x 223
Gross Weight (Kg) 11
Container Q'ty (20ft) 210
Container Q'ty (40ft [HC]) 552
Container Q'ty (40ft) 460
Channel 4.1 CH
Power Output - Total 360W
THD 10% :Subwoofer 200W(Wireless)
THD 10% : Surround 20W X 2
THD 10% : Front 60Wx2
Wired Yes
Wi-Fi Built-in Yes
Multiroom Solution Yes
Multiroom Solution (Mesh Network) Yes
Bluetooth Yes
In & Out
Audio Input (Portable In (3.5Ø)) Yes
Bluetooth 4.0 Yes
Optical Yes (1)
USB Yes (Service Only)
HDMI: Out Yes
HDMI: Input Yes(1)
Type LCD (8Char)
Auto Display Off (LED) Yes
LED Indicator Color 3Color LED (7Color)
Audio Sound Mode
Dynamic Loundness Yes
LG Auto Sound Engine Yes
Dynamic Range Control (On/Off) Yes
Auto Volume Leveler (On/Off) Yes
24bit/192KHz Sampling Yes
Surround Mode Yes
Surround Mode: 5.1CH Source (1)Main Bar: C,FL/R (2)Rear Spk.: RL/RR
Surround Mode: 2CH Source (1)Main Bar: FL/R (2)Rear Spk.: FL/R
Party Mode: One-source Multi-speaker Yes
Party Mode: Multi-source Multi-speaker Yes
Party Mode: TV & External Player Sound to Multi-Speaker Yes
Sound Effect: Music Yes
Sound Effect: Cinema Yes
Sound Effect: User EQ Yes
Sound Effect: Treble/Bass Yes
Sound Effect: i-Sound Yes
Sound Effect: Standard Yes
Sound Effecr: Flat Yes
NightMode: On/Off Yes
SFX(Stereo field expansion) Yes
Demo Mode Yes
SMPS 100~240V 50/60Hz
Main: Type Adaptor (25V, 2A)
Main: Power Off Consumption 0.5W Under
Main: Power Consumption 45W
Subwoofer: Power Off Consumption 0.5W Under
Subwoofer: Power Consumption 33W
Subwoofer: Wireless 5GHz only
Audio Format
Dolby Digital Yes
DTS Digital Surround Yes
MP3 Yes
AAC+ Yes
OGG Up to 48kHz
FLAC Up to 192kHz(Yes)
Internet Radio Supported
Internet Radio Supported Yes
Music Service Supported
Music Service Supported Yes
OS Support(Window / Mac / iOS / Android Yes/Yes/Yes/Yes
LGTV Sound Sync: Bluetooth Yes
Smart Phone / Tablet Remote App Yes
Smart UX: Universal Search Yes
Smart UX: Music Curation Yes
Smart UX: Seamless Music Play Yes
Sound Sync (Optical) Yes
Auto Power On/Off (Optical) Yes
Automatic Power on/off Bluetooth (LG TV) Yes
Dimmer Yes
Alarm Yes
3D Video Signal Pass Through Yes
Woofer Level Yes (-20~+6dB)
A/V Sync Yes (0~300ms)
Sleep Yes
Mute Yes
Audio Return Channel (ARC) Yes
Smart Phone Media Server Yes
Smart UX: Control with your TV Remote Compatibility Yes
Bluetooth Stand-by Yes
Smart UX: NSU Yes
Smart UX: Home Chat Yes(AP only)
Auto function change: Bluetooth Yes
Auto function change: Optical Yes
Accessory Kit
Instruction Manual (Open Source) Full
Instruction Manual :Web (w/ Book type Simple Manual) Yes
Open Source : (Full / Simple) Yes(Full)
Wireless Subwoofer Reset Guide Yes
Wall Mount Guide Yes
PC SW: Web Yes
Remote Control Unit - Type MA4
Batteries 2ea
Battery (Size) AAA
Warranty Card Yes
Optical Cable Yes
LAN Cable Yes
Wall Mount Bracket Yes
Cable Management Yes
Carton Box Type (Offset / Flexo) Offset
Clamp tie (cable holder) Yes
Table Stand(Detachable Foot) Yes
Front - SPL 82dB
Front - System Closed Type
Front - Tweeter Unit 13mm(ND)/Balance Dome
Front - Woofer Unit 35x72 (Track)
Front - Impedance front 4ohm rear 4ohm
Front - Magnetic Shielding Non Shielded Type
Subwoofer - Model Name S75A4-D
Subwoofer - Woofer Unit 6 inch
Subwoofer - Impedance 3 Ω
Subwoofer - SPL 85dB
Subwoofer - Magnetic SBielding Non-Shield
Subwoofer - System Bass reflex

What People Are Saying

There are no expert reviews yet for this product.


Simply choose a support option from the icons below:

  • Telephone

    Call an LG Support Representative at

    6512 0555

    Monday to Friday: 8.30am to 6.00pm
    Saturday: 8.30am to 2.00pm
    Sunday & Public Holiday: Closed

  • Email

    Send LG Support your inquiry

    No time to chat?