HDM-550-4K-TT (v1)


SKU: 8001-0610-RB

55″ UltraHD IPS LCD Video Monitor, 4 x 3G/HD/SD-SDI BNC Inputs, HDMI. Audio/Video Metering. Tabletop Mount.

1 in stock

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Important Note:

From time to time Wohler offers units here that have been unboxed, demonstrated or that we quite simply just want to get off of our factory shelves – either way the result is an incredible deal for you. All units are in excellent condition, are fully factory tested and come covered by our one year full warranty for your complete peace of mind.

  • Sales are on a CASH-IN-ADVANCE or CREDIT CARD basis.
  • Each item carries a full one year manufacturer’s warranty.
  • At these prices all sales are final, we can’t accept any returns.
  • All quantities are while supplies last.

The HDM-550-4K and HDM-420-4K LCD monitors are high performance broadcast UHD monitors tailored to most applications from studio production, outside production and playout and monitoring environments.

A slim bezel houses professional IPS glass with a full resolution of 3840 x 2160 and an LED backlight to ensure that the HDM-550-4K and HDM-420-4K monitors reproduce natural color at the fastest response times. The unit boasts a wide viewing angle as well as excellent brightness and contrast ratio.

Advanced 10-bit digital signal processing technology plus a 3D comb filter, de-interlacer and highly accurate scaling ensures the monitors portray smoother more natural image reproduction.
With Quad-Link 3G-SDI or Quad-Link HDMI (DVI Interface) (up to 1920x1080p60) inputs, the monitor offers multiple display options including a single UHD Display; any single 3G/HD/SD-SDI or DVI/HDMI input upscaled to single UHD Display; or any four separate HD/SD inputs displayed as Quad-Split (up to 1920x1080p60 each).
Next to excellent video quality, the HDM-550-4K and HDM-420-4K offer extra functions including on-screen audio metering and IMD.


  • Space saving, low profile bezel. Wall mount or table standing.
  • 1080P individual quad split or quad synchronized inputs to produce 4K.
  • Wide viewing angle IPS glass.
  • Uses 10-bit signal processing technology, plus advanced deinterlacing.
  • Supports audio metering, IMD.
  • Configuration of color temperature, scan modes, Blue Only/Monochrome mode.

Features and Benefits



A-V Specs

Meter DynamicsVU or PPM or both

Physical Specs

Rack Height17RU
Power Consumption180 Watts
Power SupplyInternal IEC Connector, Universal Input, 100-240VAC, 50/60Hz, CE & UL approved.
Dimension Width49.0" (1245mm)
Dimension Height29.1" (738mm)
Dimension Depth9.8" (250mm)
Net Weight66.0 lbs (30.0 kg)
Shipping DimensionsN/A (LxWxH)


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Signal Input x , x , x , x
Signal Output x , x
Data Ports 1 Ethernet connector for software updates; 2 RS-485 on RJ-45 for UMD controls; 6 GPI Inputs on RJ-45 for external control
Audio Specifications
Meter Dynamics VU or PPM or both
Video Specifications
Dimension Depth 9.8" (250mm)
Rack Height 17RU
Dimension Height 29.1" (738mm)
Dimension Width 49.0" (1245mm)
Net Weight 66.0 lbs (30.0 kg)
Power Consumption 180 Watts
Power Supply Internal IEC Connector, Universal Input, 100-240VAC, 50/60Hz, CE & UL approved.