Insignia™ Advanced 55

Discontinued Insignia™ Advanced 55" Class / 1080p / 120Hz / LCD HDTV

Model: NS-L55X-10A

Enjoy your favorite movies, games and sporting events on this Advanced Series LCD HDTV that features a 15,000:1 dynamic contrast ratio and 500 cd/m² brightness for brilliant images. The 4 ms response time and 120Hz refresh rate ensure quality reproduction of high-action scenes.

  • 1080p
  • HDMI
  • 16:9

Product Features

  • 54-3/5" screen measured diagonally from corner to corner: For enjoyable viewing of the big game.
  • 1080p display: Provides the highest quality progressive-scan picture possible from a high-definition source.
  • Built-in HDTV tuner: Add HD-capable antenna to receive over-the-air high-definition broadcasts, where available. Optional set-top box required for high-definition cable or satellite programming.
  • ENERGY STAR qualified: Designed to use less energy and meets strict energy efficiency guidelines set by the Environmental Protection Agency and U.S. Department of Energy.
  • PC video input: Lets you connect your computer to experience high-resolution images.
  • 5 HDMI inputs: Provide an uncompressed all-digital audio/video link for the highest quality connection, and they support copy-protected HD broadcast content.
  • Inputs: Include 2 composite video (1 side, 1 rear), 2 S-video (1 side, 1 rear), 2 component video (rear), 5 HDMI (2 side, 3 rear), 1 PC (side) and 1 RF (rear).
  • Outputs: Include 1 headphone (side), 1 audio (rear) and 1 optical digital audio (rear).
  • 16:9 widescreen aspect ratio: Delivers a cinema-style entertainment experience.
  • 3:2 inverse pulldown: For accurate reproduction of film-based sources.
  • High brightness (500 cd/m²) and 4000:1 native contrast ratio (15,000:1 dynamic): For an arresting viewing experience.
  • Wide 176° horizontal and vertical viewing angles: Make every seat the best in the house.
  • Ultraslim design (5" deep): Ideal for wall mounting (with optional mounting kit, not included). VESA compatible.
  • Two 15W stereo speakers: With Audyssey Dynamic Volume and SRS TruSurround HD provide a lush soundscape.
  • V-Chip parental controls: Give you the option of blocking undesirable material that you don't want your kids to see.
  • Handy additional features: Include trilingual (English, French, Spanish) menus, closed captioning, sleep timer and channel labeling.

What's Included

  • Insignia® Advanced 55" Class / 1080p / 120Hz / LCD HDTV
  • Tabletop swivel stand
  • Remote
  • Owner's manual
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Complete Specifications

Width 51-1/2"
Weight 83.7 lbs. with stand (70.6 lbs. without)
Product Depth (with stand) 11-3/5"
Sound Leveler Yes
Media Card Slot No
HDMI Inputs 5
Channel Labeling Yes
PC Inputs 1
Speakers 2
Watts/Channel 15
Vertical Resolution 1080p
Aspect Ratio 16:9
Screen Size Class 54-3/5"
Speaker Location Bottom
Screen Refresh Rate 120Hz
ENERGY STAR Qualified Yes
Composite Inputs 2
TV Type LCD Flat-Panel
Simulated Surround Yes
Brightness 500 cd/m²
Ethernet Port No
RF Antenna Input 1
DVI Inputs No
Language Options English, French, Spanish
USB Port No
V-Chip Yes
Remote Control Type Universal
S-Video Inputs 2
Product Height (without stand) 32-7/8"
USB Input No
Product Height (with stand) 34-2/3"
Component Video Inputs 2
Headphone Jacks Yes
Audio Outputs 2
Product Depth (without stand) 5"
Warranty Parts 2 Year(s) Limited
Warranty Labor 2 Year(s) Limited
Need help?

If you want to choose, install or repair Insignia products, we’re here to help.

Click Here

Thanks for joining the community of friends who own and enjoy Insignia products. For assistance in the use and maintenance of your product, take a look through the guides below. And, remember if you still can’t find what you’re looking for, visit Support & Service for the many ways you can stay connected.


Quick Setup Guide:
User Manual:



Drivers, Firmware and Software

What is Firmware:
Firmware Installation Guide:

Remote Codes

  • CableVision UR2-CBL-CV04

    CableVision UR2-CBL-CV04

    code: 096

  • Charter DIGITAL

    Charter DIGITAL

    code: 1326, 0463

  • Comcast M1057

    Comcast M1057

    code: 12002, 1326, 0463, 10463

  • Cox COX

    Cox COX

    code: 1326, 0463

  • Direct TV RC23

    Direct TV RC23

    code: 10463

  • Dish Network VIP508

    Dish Network VIP508

    code: 720

  • Dish Network VIP622

    Dish Network VIP622

    code: 720

  • Motorola DRC800

    Motorola DRC800

    code: 0463

  • One for All URC-6690

    One for All URC-6690

    code: 0464

  • Phillips PDVR8

    Phillips PDVR8

    code: 115

  • Phillips PH5DSS

    Phillips PH5DSS

    code: 115

  • Phillips PMDVR8

    Phillips PMDVR8

    code: 115

  • RCA RCU807

    RCA RCU807

    code: 135

  • Rogers DCT3250

    Rogers DCT3250

    code: 0463, 1326

  • Shaw DCT3416

    Shaw DCT3416

    code: 0463, 1326

  • Sony RM-VL600

    Sony RM-VL600

    code: 8043

  • TiVo HD

    TiVo HD

    code: 0091

  • TiVo SERIES 3

    TiVo SERIES 3

    code: 0091