Product Name : 4 Ports 4K Multi Format Video Switch with HDMI, DisplayPort, VGA, IR, Serial
Product No : VKSMC-421
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Product Description
  • Select 1 Video signal (Audio embedded) from 4 different sources
  • Support resolutions up to 4K 30Hz
  • The auto-sensing function enables the system to automatically select the latest video source
  • Priority function which allows a specific type of video input to be selected by the system
  • Input source sequence selectable
  • HDCP compliant, 3D-video and Blu-ray ready
  • 4K 60 420
  • 4K 30
  • Bidirectional IR Extension
  • RS 232 Control
  • IR Control
  • Multi-Format
  • HDCP 1.4

4 Ports 4K Multi Format Video Switch with HDMI, DisplayPort, VGA, IR, Serial. VKSMC-421 is a multi format switch, allowing users to select Displayport or HDMI or VGA and output HDMI.

It is the best solution to Home Multi-media Center, Class Room, or Meeting Room. Besides, there is no need for software or interface card installation. Just connect the cables, power up the system and you are ready to have duplicated video images for multiple monitors with excellent clarity.

  • Select 1 video signal (Audio embedded) from 4 different sources
  • Support Multu-Format video input signals of VGA, HDMI, and DisplayPort
  • Support HDMI resolution up to 4K UHD (3840 x 2160)
  • Provide 4 ways to control the unit via
    1. Front panel push button
    2. IR remote control
    3. Serial control/ GUI
    4. Auto-sensing mode
  • EQ (Sharpness) adjustment for optimal signal clarity
  • Screen Shift Mode for VGA signal horizontal position adjustment
  • HDCP compliant and Blu-ray ready
  • Enable/ Disable output port video signal
  • LEDs show real-time display status
  • Support both internal (front) and external (rear) IR Sensor
  • Energy saving function available
EGO Function:Versatile Port Selection Functions of Priority, Auto-sensing ,and Switch Mode
  • Priority: System will automatically select Source-1 to display (Source-1 > Source-2 > ……)
  • Auto-sensing: System will automatically select the latest video source to display
  • User-friendly port switching via button pressing
Exclusive GUI Operation Functions
  • Graphically show connection status. Most commonly used menu items are duplicated as icons on the top
  • Can name and use your own images for every source and display icon

Model Name


  Video Resolution (Max.)

  4K@30Hz (4:4:4) 

  Video Input

  HDMI x 2
  DP x 1
  VGA + Audio x 1

  Video Output

  HDMI x 1

  HDCP Compliance

  HDCP supports

  Push Button

  Power Button x 1
  Function x 1
  Input Port Selection x 4

  LED Indicator

   Status LED x 1 (Multi-Color)
   Source x 4

  Slide Switch

   EGO Slide Switch / Priority / Auto / Switch

  Serial Control

   RJ-11 Port x 1 ( RS-232 )

  IR Remote Control

   IR Sensor x 1 ( Front )
   3.5 mm Jack x 1 ( Rear )

  Power Supply




  Dimension H x W x D (mm)

   40 x 160 x 100

  Weight (g)



Connection diagram of 4K Multi-Format Switch with Serial & IR Control


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