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LG WP400 WebOS Box



  • LG webOS 4.0 Smart Signage Platform
  • Ultra HD Video Playback
  • Intuitive UX Dedicated for Digital Signage
  • Embedded CMS
  • Compatibility with LG SuperSign Solution and Signage 365 Care


The User-Friendly Smart Signage Platform


The WP400 webOS box operates webOS 4.0, the enhanced user-friendly LG smart signage platform, and is attached to existing LG digital signages and upgrades them regardless of their original platform. It can execute several tasks at once while providing smooth content playback, and provides an excellent user experience.

Upgrade to the webOS 4.0 Smart Signage Platform


The WP400 may be applied towards any type of LG digital signages regardless of its platform. The webOS box provides user-friendly smart functions with dedicated menus essential for business use. This way, users are able to easily manage and distribute content or develop web-based applications for multiple signages simultaneously.

UHD Video Playback Supported


The WP400 supports Ultra HD high-quality video playback which delivers true-to-life color details, with four times higher definition than FHD. Only a single webOS box is required for this superior picture quality.

Display Control Capability


Beyond content management, control commands from the WP400 can be sent to LG digital signages through the RS232C cable connection. It allows users to flexibly set up display values such as power, brightness or volume for optimal operation.

All-in-One Home Menu


The WP400 offers a signage-dedicated home menu that shows key information related to signage operation at a glance. A dashboard showing the status of devices, a content management menu, and shortcuts leading to quick settings greatly enhance user convenience.

Embedded Content Management


The embedded CMS(Content Management System) allows users to edit content using internal/external sources and set playlists to play at the desired schedule. Users can easily explore and manage content through the intuitive GUI, using various input devices, from a remote control to a laptop.

Multi Video Tags


Several different videos can be played at the same time using the multi video tags* feature. This gives you greater flexibility to organize and deploy content when various content items need to be delivered simultaneously via web apps.

Multi Screen with PBP/PIP


PBP(Picture-By-Picture) features multi screen in a single display with upto 4 input sources while PIP(Picture-In-Picture) supports playing both main screen and sub screen at the same time with various layouts. This gives great flexibility to allocate space for each content souce.

Compatibility with LG SuperSign Solutions


LG SuperSign is a comprehensive and indispensable software solution for the integrated management of LG digital signages. With SuperSign, content creation and distribution gets easier and centralized monitoring and control becomes simpler, helping your business save time and operate more effectively across different locations.

Real-Time Remote Care Service


The maintenance gets easier and faster with an optional service Signage 365 Care*, a cloud service solution provided by LG service. It remotely manages status of displays in client workplaces for fault diagnosis and remote-control services, ensuring the stable operation of a client’s business.




HDMI (2), DP, USB 2.0 (2)


HDMI, DP(Daisy chain only)

External Control

RS232C in/out, RJ45 in, IR in

Mechanical Specification

Player Dimension (W x H x D)

258 × 36.5 × 186 mm


1.4 kg

Carton Dimensions (W × H × D)

314 x 124 x 359 mm

Packed Weight

2.26 kg

Key Feature (Hardware)

Internal Memory 8GB (System 4GB, Available 4GB), Wi-Fi Built-in (ac combo), Thermal Sensor, Power Indicator, Local Key Operation

Key Feature (Software)

webOS ver.

webOS 4.0

Embedded CMS

USB Auto Playback, Local Contents Scheduling, Group Manager

Fail over


Image Customization

No Signal

Content Sync.

RS-232C, Local Network



Screen Share


Video Tag

O (2) *2 Video tags may expand to 4 video tags in the 3Q of 2019.

Play via URL


OSD Rotation


Lock mode

O (Home Dashboard, USB, OSD, IR Operation, Local Key, WiFi, SoftAP, Screen Share)

Content Rotation


Gapless Playback


Tile Mode Setting

O (Max. 15x15)

Setting Data Cloning

O (RS-232C, Network, USB)

Firmware Update by Network




ISM Mode

(Image Sticking Minimization)


Status Mailing


Power Mgmt.

DPM, On/Off Schedule, Holiday Schedule, Power on Status, Smart Energy Saving, Wake on LAN, Power on Delay

Control Manager


Daylight Saving Time





O *Compatibility may differ by equipment.

SI Server Setting




Environment Conditions

Operation Temperature

0°C to 40°C

Operation Humidity

10% to 80%


Power Supply

100-240V~, 50/60Hz

Power Type

Built-In Power

Power Consumption


16 W / 22 W





CE Class A

Software Compatibility

Content Management Software

SuperSign CMS

Control and Monitoring Software

SuperSign Control/Control+



Remote Controller, Power Cord, QSG, HDMI Cable, Regulation Book, Phone to RS232C Gender

No additional files, specification sheets, guides or documentation found for product.

Warranty: 36

Full manufacturers warranty details are available at the manufacturers (LG) web site.

Unless otherwise specified Techbuy is normally your first point of contact for warranty related returns, further information regarding our warranty policies and consumer guarantees is available on our policies and service & support pages.

To apply for return of a product just go to our returns page.

These terms are in addition to and do not affect any terms, conditions, guarantees and warranties implied by law.

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