Nec E551

E551 55" Large-Screen LCD Display With 4000:1 Contrast, 178° Viewing Angles, Built-in Speakers, Composite, S-Video, HDMI, VGA, Component & 5.5ms Response Time

Quick Specs:
Brand: Nec
SKU: E551
UPC: 805736034455
Type: LCD
Technical Details
Screen Size: 55"
Resolution: 1920 x 1080

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Nec E551

Nec E551 55" Large-Screen LCD Display With 4000:1 Contrast, 178° Viewing Angles, Built-in Speakers, Composite, S-Video, HDMI, VGA, Component & 5.5ms Response Time
MSRP: $1,999.00
Final Price: $1,444.13
Shipping: FREE
Today's Price: $1,444.13

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SKU: E551
Condition: Brand New Factory Sealed With 1 Year USA Warranty
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Availability: Available [Details]

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The E551 55" Large-Screen LCD Display from NEC is a high definition widescreen monitor with a broad range of connectivity options. Four HDMI ports, a VGA port, two sets of composite/component inputs, and S-Video inputs provide a range of choices in video connectivity, complemented by analog and S/PDIF digital audio inputs. The display supports full HD resolution up to 1920 x 1080 (1080p), and displays images with a brightness up to 450cd/m². An outstanding 4000:1 contrast ratio and 178° viewing angles ensure that the images are seen clearly even from extreme angles, while the fast 5.5ms response time reduces image ghosting. Integrated 12W stereo speakers provide a powerful, robust audio solution. This big-screen display is perfect for corporate and digital signage applications.


High-definition resolution provides stunning detail for video and broadcast applications.

High static contrast ratio helps create eye-catching images and crisp, easy-to-read text.

Low power consumption contributes to a lower total cost of ownership.

Extensive connectivity with multiple HDMI input terminals, analog RGB, S-Video and composite video.

Built-in NTSC/ATSC analog/digital tuner allows for high-definition broadcast capabilities.

Built-in, low-profile 10W speakers enhance the experience with superior sound.

120Hz refresh rate reduces the blur seen in fast-moving images of typical 60Hz displays.

10-bit color delivers more vivid and crisp color representation through the expansion to a wider color gamut.

Built-in swivel stand expands your viewing options and detaches for wall mount applications.

Multiple picture modes adjust the picture appearance for an optimal viewing experience.

Advanced video settings ensure source material is displayed properly and accurately.

Backlight adjust allows users to customize the backlight strength, enabling longer display life and lower power consumption.

Parental control (V-Chip function) allows users to block programs based on rating category.

Built-in closed captioning enables hearing-impaired users to display text information in various supported languages based on the ATSC tuner program.

Controllable closed captioning for analog and digital signals allows the user to manipulate the size, font, color, opacity, background color and edge effect.

Input labeling allows users to assign labels to various inputs within the on-screen display (OSD).

Variable transparency settings and multiple menu language choices (English, French, Spanish) provide flexibility in adjusting OSD settings.

Variable time zone settings allows users to adjust the time on their display by time zone and includes a built-in daylight savings mode.

Control settings allow users to lock outside buttons, block unrated TV, and set USA and Canadian parental locks.

Channel band selection provides enhanced "over the air" and cable signal tuning.

Auto channel search saves users time in manually programming the display with available channels.


Viewable Size55"
Resolution1920 x 1080
Contrast Ratio4000:1
Viewing Angle178°/178°
Pixel Dot Pitch0.63mm
Response Time5.5ms
Internal InterfaceAnalog/Digital
Sync RangeHorizontal: 31.5-65.3kHz
Vertical: 60-75Hz
Sync TypeSeparate: TTL Level (Pos/Neg)
Input/Output Connectors
InputComponent: RCA x2
Composite: RCA x2
S-Video x2
VGA: 15-pin D-Sub x1
Audio: 3.5mm Mini Jack x2, RCA x5
USB x1
OutputAudio: RCA x1, 3.5mm Mini x1
Headphone Jack3.5mm Mini Jack
MountVESA Hole Configuration: 400 x 200mm (4-hole)
ButtonsVolume, Channel, Menu, Source, Power
On-Screen DisplayYes
Auto ConfigurationYes
Touch ScreenNo
Tilt/Swivel RangeNot specified by manufacturer
SecurityNot specified by manufacturer
Power Requirements3.5A@100-120VAC, 1.6A@220-240VAC
Power Consumption240W
Environmental RequirementsOperating Temperature: 32-104°F (0-40°C)
Humidity: 10-85%
Altitude: Not specified by manufacturer

Storage Temperature: 32-140°F (0-40°C)
Humidity: 5-85%
Altitude: 40,000' (12,142m)
Dimensions (WxHxD)w/out Stand: 51.5 x 34.9 x 4.4" (130.8 x 88.6 x 11.3 cm)
w/Stand: 51.5 x 36.8 x 12.2" (130.8 x 93.5 x 31 cm)
Weightw/out Stand: 68.9 lbs (31.2 kg)
w/Stand: 79.1 lbs (35.9kg)

Box Contents

    NEC E551 55" Large-Screen LCD Display
    Power Cord
    15-pin D-Sub Cable
    Remote Control w/Batteries
    Thumb Screws
    User Manual
    1-Year Limited Warranty (Including Backlight)

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Types of Televisions:

In Plasma technology, the display itself consists of cells. Within each cell two glass panels are separated by a narrow gap in which neon-xenon gas is injected and sealed in plasma form. The gas is electrically charged at specific intervals when the Plasma set is in use. The charged gas then strikes red, green, and blue phosphors, thus creating a television image. Each group of red, green, and blue phosphors is called a pixel.

Some Advantages of Plasma Televisions are:
  • Larger Screen Sizes Available
  • Better Contrast Ratio, so Blacks are deeper
  • Better Color Saturation
  • Little to no lag in Fast Moving Images

  • Some Disadvantages of Plasma Televisions are:
  • Susceptible to Burn-Ins(Image is “burnt” onto the screen when left on the screen too long)
  • Generates a lot of heat
  • Does not perform well at high altitudes

  • LCD
    LCD stands for liquid crystal display. These types of displays are made of two layers of transparent material, which are polarized, and are "glued" together. One of the layers is coated with a special polymer that holds the individual liquid crystals. Current is then passed through individual crystals, which allow the crystals to pass or block light to create images. LCD crystals do not produce their own light, so an external light source, such as florescent bulb is needed for the image created by the LCD to become visible to the viewer.

    Some Advantages of LCD Televisions are:
  • Low energy consumption
  • Reduced Glare
  • No "burn-in" effect
  • Cool running temperatures
  • No high altitude issues
  • Greater Brightness
  • Lighter in weight

  • Some Disadvantages of LCD Televisions are:

  • Low contrast ratio
  • Fast Moving Images sometimes lag
  • Individual Pixels can burn out and cannot be replaced
  • Smaller Viewing Angle (although not significant difference)

    DLP (Digital Light Processing) technology utilizes a small Digital Micromirror Device (DMD) to tilt more than 1.3 million micromirrors-each of them less than the width of a human hair-toward (ON) or away from (OFF) the light source inside the DLP. This process creates light or dark pixels on the face of the projection screen. The light then filters to a color wheel, which rotates 120 times per second, producing the correct hue. Each mirror can turn on or off several thousands of times per second resulting in a technology that can reproduce up to 1024 shades of gray.

    Some Advantages of DLP Televisions are:
  • Little to no affection by ambient light
  • Better Contrast Ratio, so Blacks are deeper
  • High refresh rate
  • No lagging images or burn-ins
  • Not affected by altitudes
  • Tuner built-in in most models
  • The only thing that can burn out is the bulb, which can be replaced, so you could use this TV virtually forever
  • Many connections available - Can also be used as a monitor

  • Some Disadvantages of DLP Televisions are:
  • Must be viewed at eye level for the best picture
  • While a bulb will only cost around $200, a professional will need to install it, incurring an additional cost.
  • They are heavy and cannot easily be moved.

  • Direct View(CRT)
    Direct-view TVs, also known as the traditional tube television, consist of a single cathode ray tube (CRT) and electron beam that excites and illuminates phosphors on the inside surface of the TV screen.

    Some Advantages of CRT Televisions are:
  • Low in cost
  • Best black level, contrast, shadow detail and color performance of any video technology out there
  • Not affected by ambient light
  • Can be viewed from any angle
  • Very Long Life Expectancy

  • Some Disadvantages of CRT Televisions are:
  • Size and Weight of Television make it very heavy
  • Limited screen size - 38 inches is about the max for CRT TVs
  • Uses old technology

  • Choosing the Best TV Size:

    Where you are putting your television and what you are using it for will determine the perfect TV size for your room.

    Living (or Family) Room
    For living rooms and other spaces with high TV use, 37 inch and larger are the most popular choices. In large rooms, the largest size possible is usually best.

    For bedrooms, offices and other medium-sized spaces, a tv that is from 26 to 37 inches is your best bet.

    Kitchens & Smaller Rooms
    For kitchens and smaller rooms where you will be close to the TV, a 15 to 19 inch screen is best suited.

    Refer to the below chart for the mimimum distance you should be from the television.

    TV Viewing Distance Chart
    Diagonal Size Minimum Viewing Distance Maximum Viewing Distance
    26" 3 ft. 6 ft.
    32" 3.5 ft. 7 ft.
    37" 4 ft. 8 ft.
    42" 5 ft. 10 ft.
    47" 6 ft. 12 ft.
    50" 6.5 ft. 13 ft.
    60" 7 ft. 15 ft.

    High Definition vs. Standard Definition

    Standard definition is analog signals with resolution of 480i (480 lines drawn onscreen in an interlaced pattern, odd lines separately from even), the format in which TV content is delivered over regular analog broadcasts and basic (non-digital) cable. On the best TVs, the picture quality can be very good or even excellent, but it doesn't compare to the best that HD can offer.

    Enhanced definition falls between standard and high definition. ED signals are digital, with resolution of 480p (480 lines scanned progressively). This is equivalent to DVD quality, which is a little better than standard definition but not as good as high definition. Some ED sets can accept HD signals, but they convert them to a lower resolution that they can display, so the picture quality won't match that of true HD. On the best EDTVs, it can be quite good.

    High definition offers the best TV viewing possible. HD is a digital-TV format that contains more and finer detail than other formats, so images can have almost lifelike clarity. The picture quality can be stunning, especially on a large, wide-screen set. In technical terms, HD images have higher definition, meaning more picture elements (lines or pixels) make up each image. Most HD broadcasts today are either 1080i (1,080 lines drawn on-screen separately in an odd/even pattern, then interlaced to form one image) or 720p (720 lines scanned in one sweep, or progressively). Another HD format, 1080p, has 1,080 lines drawn in a progressive pattern, which potentially yields the finest detail. This format isn't yet being used for TV broadcasts, but some HD DVDs that support 1080p are expected to arrive this year. TVs with 1080p native resolution have already started to appear on the market.

    The below chart explains further the difference between Standard and High Definition Signals.

    Resolution and Picture Quality Table
    Picture Quality Good Quality Better Quality Best Quality
    Standard Definition TV Standard Definition DVD Enhanced Definition TV 720p High Definition TV 1080i High Definition TV 1080p High Definition TV/Blu-Ray
    Aspect Ratio Full Screen 4:3 Full Screen 4:3/Widescreen 16:9 Widescreen 16:9 Widescreen 16:9 Widescreen 16:9 Widescreen 16:9
    Resolution 640 x 480 720 x 480 854 x 480 1280 x 720 1920 x 720 1920 x 720
    Scanning Interlaced Interlaced Progressive Progressive Interlaced Progressive

    Which Audio/Video Connection is the best?
    Connector Type Quality Signal Type Description
    HDMI Highest Digital HDMI (High-Definition Multimedia Interface) is an uncompressed, all-digital signal that combines both audio and video. This connection gives you the optimal 1080p signal and up to 7.1 channel sound.
    DVI Highest Digital DVI (Digital Video Interface) is a video connection that will deliver 1080p video signal, but it does not carry audio signals.
    Component Video Good Analog Component Video, or RGB, is an analog signal connection that splits the video into 3 separate signals, 2 for color and 1 for brightness. The maximum resolution on this connection type is 720p or 1080i.
    S-Video Decent Analog S-Video (S for Separate) is a type of component video signal because the color and brightness signals are transmitted on separate wires. S-Video is not used for high definition resolutions.
    Composite Video Average Analog Composite, or RCA, connections can be found on almost all video components. Color and brightness pass over the same cable. Although it is the most common connection found, it is also the least quality.