Saturday, April 14, 2018

LG 55LJ550M Features, Specs and Manual


This is the 55-inch version of the LG's J550 smart HDTV lineup it is one of the largest. It features a 1080p of maximum resolution with enhance colors and good contrast displayed across the whole screen. The interface is smart powered that is user friendly and can access online streaming media content when connected at your home Wi-Fi connection.


Here are the features that I find interesting.

  • Color Master Engine

The Full HD 1080p perform at its best on this HDTV. It has amazing color production, sharpness, luminance and amazing color production throughout the screen.

  • webOS 3.5

The user interface that is easy to use and navigate. It can access the internet and allows you to stream videos directly from major online streaming video services without the need of a computer.

  • LG TV Plus App

Use your smartphone as a remote, search videos and play/cast/mirror them wirelessly onto the HDTV

  • LG Virtual Surround

Further enhances the stock speaker and make them output surround sound that easily fills the entire room, almost a theater like effect without the need of special external speaker setup.

Technical Specifications

Screen Size
54.6 Inch (Class 32)
Screen Resolution
1920 x 1080 (1080p)
Viewing Technologies
  • Color Master Engine
Refresh Rate
User Interface
WebOS 3.5
WiFi and LAN (Ethernet Port)
Built-in Speaker Output Power
2CH x 10 Watts = 20 Watts Total
Sound Technologies
  • LG Virtual Surround
  • M6 DTS Decoder
  • Clear Voice
Inputs and Outputs
  • 2x HDMI
  • 1x Composite
  • 1x Component
  • 1x USB Port
  • Antenna Input
  • 1x Digital Audio (Optical)
Dimension (W x H x D)
  • Without stand
    • 49.2 x 28.7 x 3.3 in
  • With stand
    • 49.2 x 30.9 x 9.3 in
Total Weight
  • 31.5 lbs with stand
  • 31.3 lbs without stand
Vesa Wall Mount
300 x 300mm


  • Excellent picture quality and performance
  • Cheap price considering the 55 inch screen size
  • Easy to setup and user friendly interface


  • Low refresh rate of only 60Hz
  • Remote is hard to use


This is the largest screen of the series, but expect a good price and picture quality. The only thing that makes this down is the low refresh rate that is bad when viewing fast action scenes like sports or action movies. Other than that this HDTV deserves a good praise over the price and smart capability.


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