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Seaglass, 15 Coney Six,
East Wittering, West Sussex,
PO20 8DL

T 08452 603090
E sales@nexnix.co.uk

x551un The X551UN reflects the latest advances in videowall product development featuring direct LED backlights as a light source, 1920 x 1080 resolution and a stunning 5,7mm bezel (content to content). NEC’s vast experience in the LCD videowall market accumulates in this product delivering unique features helping to reduce cost, making installations efficient and a video wall made of X551UN a powerful communication tool.

Being the best in class LCD videowall product,  X551UN is an ideal solution for retail signage as well as control room applications, installations in airports, train stations and the rental market.

  • Programmable Ambient Light Sensor -for reduced power consumption and eye pleasing brightness levels.
  • Functionality -can be extended with additional interfaces and playback devices through the option slot which avoid additional cables and mounting brackets.
  • DICOM support-for medical applications.
  • Special CharacteristicsAdvanced fan control; Copy display settings through RS232; DICOM support; Hardware colour calibration possible; Input name adjustment; Matrix memory; OSD rotation for portrait mode; PIN as theft protection; Various picture in picture options; Programmable ambient light sensor; Rapid input switching; Scheduler; Screen saver functions; TileMatrix (10 x 10); User input priority definition

- Energy Efficiency Ambient light sensor ; LED backlight; Carbon savings meter
- Ecological Materials Mercury free; Optional feet ; Manuals on CD
- Ecological Standards Energy Star 5.0


Product Specifications
Panel Technology SPVA (P-DID)
Viewable Image Size 55
Native Resolution 1920 x 1080
Pixel Pitch 0.63
Pixels Per Inch 47
Brightness (typical) 700 cdm2
Contrast Ratio (typical) 4000:1
Viewing Angle 178° Vert., 178° Hor. (89U/89D/89L/89R) @ CR>10
Refresh Rate 60Hz
Aspect Ratio 16:9
Active Screen Area 47.6 x 26.8 in. / 1209.6 x 680.4mm
Orientation Landscape/Portrait
Displayable Colors More than 16.7 million
Synchronization Range
Horizontal (Analog/Digital) 31.5-91.1 kHz
Vertical 50-85 Hz
Input Signal
Video Analog RGB 0.7 Vp-p/75 Ohms
Sync  Separate sync: TTL Level (Positive/Negative)
Composite sync: TTL Level (Positive/Negative)
Composite sync on green: (0.3Vp-p negative 0.7Vp-p positive)
Supported Video Formats 720 x 400, 640 x 480, 800 x 600, 832 x 624, 1024 x 768, 1280 x 1024, 1600 x 1200, 1280 x 768, 1360 x 768, 1920 x 1080
PC Signal Compatibility Yes
Macintosh Compatibility Yes
Input Terminals
Digital DisplayPort, HDMI, DVI-D
Analog VGA 15-pin D-sub, 5 BNC (RGBHV, DVD/HD or Video), BNC Composite, S-Video
Audio RCA Audio, Stereo Mini-Jack (2), DisplayPort Audio, HDMI Audio
External Control RS-232C, LAN, IR Remote, DDC/CI
Output Terminals
Analog BNC Composite
Audio Stereo Mini-Jack, External Speaker Jack (2)
Digital DisplayPort, DVI-D
External Control RS-232C, IR Remote
Power Consumption (typical)
On 190
ECO Mode Standby <1W
Physical Specifications
Bezel Width (Left/Right, Top/Bottom) 0.15 in./0.07 in., 0.15in./0.07in. ; 3.7mm/1.8mm, 3.7mm /1.8mm
Dimensions (WxHxD)
Net (without stand) 47.8 x 27.0 x 5.0 in. / 1215.3 x 686.1 x 128.1mm
Net (with stand) 79.2 lbs. / 36 kg
Net (without stand) 77 lbs. / 35 kg
Shipping 72.8 lbs. / 33 kg
VESA Hole Configuration Specifications - 400 x 400mm (4-hole)
Environmental Conditions
Operating Temperature 41-104°F / 5-40°C
Operating Humidity 20-80%
Operating Altitude 13,780 ft. / 4200m
Storage Temperature -4-140°F / -20-60°C
Storage Humidity 10-90%
Storage Altitude 40,000 ft. / 12,192m
Limited Warranty (parts & labor, including backlight) - 3 years
Additional Features
  • Ultra-narrow bezel
  • Advanced thermal capabilities
  • Advanced cooling system
  • Sealed panel design
  • Thin bezel
  • TileMatrix (10x10)
  • TileComp
  • Separate group/Monitor ID function
  • CableComp+
  • Ethernet Control and Communication
  • RS-232 Control and Communication
  • Landscape/portrait capable
  • Carbon footprint meter
  • Plug and Play (DDC/CI, DDC2B)
  • Scheduler (w/ real-time clock)
  • Sharpness/softness adjustment
  • Screen saver function
  • Ambient light sensor (AmbiBright)
  • 6-axis color adjustment
  • Metal rear cabinet
  • POP
  • Side-by-Side
  • Kensington lock
  • Handles
  • Variable picture modes
  • Advanced video settings (Noise Reduction, Adaptive Contrast)
  • Input labeling
  • Backlight adjust
  • Aspect ratio control
  • Built-in speakers
  • 10-bit color over HDMI
  • OPS/Expansion slot
  • LED Direct-lit Backlighting


pdf NEC X551UN Data Sheet

pdf NEC X551UN Manual

pdf NEC X551UN RS232 Codes

Please call us for pricing and options

Please see our gallery for a selected few of our recent Audio Visual installations!!!
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