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LG 55UT640S

RM 3,600.00
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The UT640S series is specifically designed for diverse business environments. This commercial display TV provides compatibility with AV control systems and DPM, and it has smart connectivity, a simple user-friendly interface, and Ultra HD picture quality.

UHD commercial TV with Essential Smart Function

The UT640S series is specifically designed for diverse business environments. This commercial display TV provides compatibility with AV Control systems and Display Power Management (DPM) and it has smart connectivity, a simple user friendly interface, and UHD picture quality.

Embedded Content & Group Management

The embedded Content and Group Management System allows you to edit and play content, schedule playlists and groups. It also allows your business to control your signage via remote control, mouse and mobile phone without the use of separate PC or software, making content management much easier and more user-friendly.

SuperSign Control

SuperSign Control is the basic control software, and it can manage up to 100 displays through a single account and server. Power, volume, and scheduling can be remotely adjusted, and firmware updates supported.

USB data cloning

USB data cloning increases efficiency in managing multiple displays for optimal operation since users don't have to set up each display one by one. Once users copy data to a USB device in one display, it can be easily distributed to the other displays through a USB plug-in.

Real-time remote monitoring

Malfunctions or errors can be easily handled through real-time remote care. When an error occurs, notifications can be sent through the SNMP (Simple Network Management Protocol) protocol.

Power & network with one line

Wake-on-LAN (WOL) enables users to turn on displays by sending messages through the network. This greatly simplifies the installation and maintenance processes since only a single wire is needed for power and network connection.

True color, immersive view

The UT640S series is large in size to enhance the visibility of content and captivate viewers. The LG IPS panel provides a wide range of viewing angles so that content can be clearly seen, regardless of the viewer's position. Each pixel in the IPS panel reproduces true-to-life colors without distorting images.

Perfect picture quality and color

Enjoy Full HD content in 4K ULTRA HD quality, optimized by the 4K Upscaler. The 4K Upscaler automatically upgrades Full HD content to ULTRA HD through several upscaling processes so that images look crisp and clear in any viewing situation.

Compatibility with AV control systems

The UT640S series has been certified Crestron Connected, proving that it has a higher level of compatibility with professional AV controls. This results in seamless integration and automated control, boosting business management efficiency.

DPM (Display Power Management)

From now on, you can configure the DPM (Display Power Management) function by setting it to On. When there is no signal, the TV enters DPM mode to manage power more efficiently


  • Content Management/Group Management
  • SuperSign Control
  • SNMP
  • Wake-up On Lan
  • Crestron Connected® (Network Based Control)



Product Type

LED-backlit LCD TV

Power Consumption Operational

145 Watt

Energy Consumption per Year

126 kWh

Diagonal Class


Commercial Use

Yes - digital signage / hospitality


UT640S Series

HDR Capable


HDR Technology

Hybrid Log-Gamma (HLG), HDR 10 Pro

TV Tuner Presence


Video Interface

Composite, HDMI

HDMI Ports Qty

3 ports


Without stand


49 in


3.4 in


28.6 in


31.53 lbs



3840 x 1080

Display Format

4K UHD (2160p)

Image Aspect Ratio


LCD Backlight Technology

LED backlight


360 cd/m²

Commercial Features

Screen welcome message, hotel mode, Lock Mode, SNMP support, Essential Smart, Display Power Management (DPM), Embedded Content Management, SuperSign Control compatible, Insert Image, IP Channel Manager

Settings Cloning Capability


Additional Features

One Channel Map, RJP Compatible, Motion eye care, Crestron Connected Compatible

Stands & Mounts

VESA Mounting Interface

300 x 300 mm

Digital TV Tuner

Digital TV Tuner


HDTV Tuner


Media Player

USB Port


USB Ports Qty


Audio System

Speaker System

2 speakers

Output Power / Total

20 Watt

Additional Features

LG Sound Sync


2 x speaker - built-in - 10 Watt

Network & Internet Multimedia



LAN Protocol



Connector Type

2 x HDMI - side USB 2.0 - side HDMI - rear Composite video/audio input - rear Digital audio output (optical) - rear 2 x LAN Speaker output


Power Device

Power supply

Nominal Voltage

AC 120 V (50/60 Hz)

Power Consumption Stand by

0.5 Watt

Estimated Annual Operating Cost

15 USD


Smart energy saving

Dimensions & Weight Details

Dimensions & Weight Details

Panel without stand - 49 in x 3.4 in x 28.6 in x 31.5 lbs Panel with stand - 49 in x 9.1 in x 30.9 in x 32 lbs

Dimensions & Weight (Shipping)

Width (Shipping)

53.5 in

Depth (Shipping)

6.9 in

Height (Shipping)

32.9 in

Weight (Shipping)

42.99 lbs

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