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The LG Infinia LK550 series is an internet connected TV that displays 1080p HD video at 120Hz frame rate and is available in up to 47-inch screen sizes.


  • Status: Available
  • Availability date: Feb. 27, 2011
  • Price at launch: $799.99


  • Product line: Infinia
  • Product series: LK

Also Known As...

  • Width: 40.1 inches
  • Height: 24.8 inches
  • Depth: 3 inches
  • Weight: 33.3 pounds
  • Color: Black
  • Rotating stand: Yes
  • VESA mount compatible: Yes


  • Screen size (diagonal): 42 inches
  • Aspect ratio: 16:9
  • Native resolution (X): 1920 px
  • Native resolution (Y): 1080 px
  • Maximum resolution: 1080p
  • Technology: LCD
  • Maximum refresh rate: 120 Hz


  • Speakers: 2
  • Effects: Infinite Surround, Dolby Digital Decoder
  • Surround sound: Yes


  • Backlit: Yes

Bundled Remote Control

  • Coaxial RF input(s): 1
  • Component video input(s): 2
  • HDMI input(s): 2
  • USB: 2

Input Ports

  • Digital optical audio output(s): 1
  • Headphone(s): 1

Output Ports

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