4-Port 4K HDMI Switch


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The VS481B 4-Port HDMI Switch allows you to quickly connect 4 HDMI sources to your HDMI display and easily switch between them via front panel pushbuttons, RS-232 or IR remote control. The front panel's LEDs indicate the source device selected for the display at a glance.

The VS481B supports Ultra HD 4Kx2K, the newest resolution for high definition displays; Auto Switching modes for auto port selection;Instant Switching for a smooth video transition between HDMI ports with increased efficiency; and features a built-in bi-directional RS-232 serial port that allows the switch to be controlled through a high-end controller, PC, and/or home automation/home theater software package.

Product Features

  • Allows up to four HDMI A/V sources to be connected to one HDMI display
  • Quick and easy switching between HDMI sources via front panel pushbuttons, RS-232 or IR Remote control
  • Supports 340MHz bandwidth for ultrahigh 4kx2k video
  • HDMI 1.4 (3D, Deep Color, 4kx2k); HDCP 2.2 compatible
  • Auto switching modes for auto port selection
  • Long distance transmission - up to 15 m (24 AWG)
  • Consumer Electronics Control (CEC) support
  • Supports Dolby True HD and DTS HD Master Audio
  • Built-in bi-directional RS-232 serial remote port for high-end system control
  • Instant switching between HDMI input sources
  • Supports IR extension using a IR extension cable *
  • LED indication of video source devices

Package Includes

  • 1x VS481B 4-Port HDMI Switch
  • 1x HDMI Cable
  • 1x IR Remote Control
  • 1x Power Adapter
  • 1x User Instructions
Product Use Diagram

Product Specifications

Video Input
Interfaces4 x HDMI 1.4 Type A Female
Max Distance1.8 m
Video Output
Interfaces1 x HDMI 1.4 Type A Female
Max Distance15m
Max Data Rate9 Gbps (3 per lane)
Max Pixel Clock300 MHz
ComplianceHDMI 1.4 (3D, Deep Color, 4K); HDCP 2.2 Compatible
Consumer Electronic Control (CEC)
Max ResolutionsUp to 4096 x 2160 / 3840 x 2160 @ 60Hz (4:2:0);
4096 x 2160 / 3840 x 2160 @ 30Hz (4:4:4)
DistanceUp to 15m
Input4 x HDMI Type A Female
Output1 x HDMI Type A Female
RS-232Connector: 1 x DB-9 Female (Black)
Baud Rate and Protocol:
Baud Rate: 19200, Data Bits: 8, Stop Bits:1, Parity: No, Flow Control: No
IR1 x Mini Stereo Jack Female
Connectors1 x DC Jack
Consumption5V DC, 5W
Operating TemperatureVE829R: 32°-122°F (0°-40°C)
VE829T: 32°-104°F (0°-40°C)
Storage TemperatureVE829R: -4°-140°F (-20°-60°C)
VE829T: -4°-140°F (-20°-60°C)
HumidityVE829R: 0-80% RH, Non-Condensing
VE829T: 0-80% RH, Non-Condensing
Weight1.06 lb (0.48 kg)
Dimensions L x W x H7.87 x 3.25 x 0.98 in. (20.00 x 8.25 x 2.50 cm)
UPC / EAN Barcode icon
UPC 672792005732
EAN 0672792005732
Question: Am I able to use the device for 1920x1080p @75 HZ and 12 bit depth color for each channel?
Answer: Thank you for your inquiry,

We confirmed with the vendor that the Aten VS481B KVM supports HDMI 1.4 so both 1920x1080@75Hz and 12bpc should be supported for each channel.

Please let us know if there is anything else we can help you with!