LG

LG WP402-B WebOS 4.0 UHD Digital Signage Media Player

UHD

Power commercial displays with UHD content using LG's compact webOS 4.0 signage media player.

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Overview

The LG WP402-B is a commercial-grade digital signage media player designed to bring UHD content playback and centralized management to retail, hospitality, corporate, and public-facing display environments. Rather than requiring a smart signage display with built-in processing, the WP402-B functions as an external box that connects to compatible monitors and TVs, delivering 4K UHD output powered by LG's webOS 4.0 signage platform. This approach lets businesses upgrade their signage intelligence independently of their display hardware, which can be a cost-effective strategy when existing screens are still in good condition.

Running webOS 4.0, the WP402-B supports LG's signage content management ecosystem, enabling remote scheduling, content deployment, and display monitoring. The compact, lightweight form factor at approximately 3.9 pounds makes it straightforward to install out of sight behind a display or in a media closet. While the WP402-B targets commercial signage deployments rather than consumer use, businesses evaluating this player should verify compatibility with their existing displays and confirm that the webOS 4.0 feature set meets their content management requirements, as LG has since released newer versions of the platform with expanded capabilities.

Key Features

COMMERCIAL SIGNAGE MEDIA PLAYER_SIGAGE WEBOS BOX (4.0) (UHD OUTPUT)

Specifications

Brand
LG
Model
WP402-B
Operating System
webOS 4.0
Output Resolution
UHD (4K)
Item Weight
3.9 pounds
Type
Commercial Signage Media Player

Pros & Cons

👍 Pros

  • UHD 4K output delivers crisp, high-resolution signage content on large commercial displays
  • webOS 4.0 platform provides a stable, purpose-built signage operating system with content management tools
  • Compact and lightweight design at 3.9 pounds allows discreet installation behind displays
  • Externalizes smart signage capability so you can upgrade the player without replacing entire displays

👎 Cons

  • Limited product documentation and sparse feature listing make pre-purchase evaluation difficult
  • webOS 4.0 is an older platform version that may lack features available in newer LG signage players
  • No display included — requires a separate compatible commercial monitor or TV
  • Reported product dimensions of 1 x 1 x 1 inches appear inaccurate, making it hard to plan mounting space

Frequently Asked Questions

The WP402-B outputs UHD (4K) resolution, allowing you to display sharp, detailed signage content on compatible commercial displays.
No, the WP402-B is a standalone media player box that connects to external commercial displays or monitors — it does not include a screen.
It runs LG's webOS 4.0 platform, which is purpose-built for digital signage content management and playback.
Content can be managed through LG's webOS signage platform, which supports remote content scheduling, deployment, and monitoring across connected displays.
The WP402-B weighs approximately 3.9 pounds in a compact box form factor, making it easy to mount behind or near a display.