Wohler 42" UHD 4K Broadcast Video Monitor

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Product Description

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.
More Information
Stock StatusSpecial Order
Mfr Part NoHDM-420-4K-TT

Signal Input

12G-SDI Input1
3G/HD/SD-SDI Input4
Analog Input2 on RCA
HDMI Input4
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

Signal Output

3G/HD/SD-SDI Output4
Analog Output2 on RCA
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