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HDX-400 4-Port HDMI extender with local output and remote display up to 180 feet away.

HDX-400 stack
HDX-400 Diagram2

The HDX-400 Extends any HDMI Signal up to 180 Feet to Display Monitors and One Local Screen Using CAT 5e/6 Cabling while Retaining High-Definition Images at up to 1080p Resolution

SmartAVI’s HDX-400 is an innovative solution to extending any HDMI signal – be it a gaming console, Blueray player, computer, etc. – over inexpensive Cat6 STP cabling up to 180 feet away to one to three remote displays and one local screen for real-time monitoring of content.

This is the perfect solution for broadcasting high-definition content easily and inexpensively from a source to display screens for customers to view while keeping the CPU in a remote, secure location such as a computer room or back office of a business. Utilizing the HDX-400, you can monitor what’s being shown to your customers in real-time via a local display as you retain full control over the CPU or HDMI source, accessible only by key personnel.

The HDX-400 is a compact, dynamic unit that is small and easily integrated into a digital display network such as in a retail store or bar/lounge. The transmitter and receiver units are extremely compact, which makes inclusion into your infrastructure very simple and handy.

  • Distribute and Extend one HDMI Source to up to 3 Displays via Three Cat5e/Cat6/Cat6 STP Cables
  • Local HDMI Output for Easy Monitoring
  • Maximum Signal Extension up to 180 feet
  • Supports 3D Signals
  • Supports HDMI Resolutions up to 1080p
  • Supports Audio Formats of DTS-HD/DolbyTrueHD/LPCM7.1/DTS/Dolby-AC3/DSD
  • No Loss of Signal Quality up to the Maximum Distance
  • LED Status Lights
  • Plug-and-Play Ready


  • Retail Locations
  • Bars/Lounges
  • Showroom Floors
  • Convention Booths
  • Hotel/Resort/Check-in Counters
  • Corporate/Educational Demonstrations
  • Hoses of Worship
  • Medical Facilities
  • Recording/Editing Studios

Dimensions5.375”W X 3”D X 1”H

Storage Temperature-4 to 149 °F (-20 to 65 °C )

Video Interface HDMI
HDMI Resolution (Input and Output) 24/50/60fs/1080p/1080i/720p/576p/576i/480p/480i
Maximum Signal Extension Up to 180 ft.
Maximum Pixel Clock 225MHz
Maximum Rate 6.75Gbps
Input Video Signal 0.5~1.5Volts p-p
Output DDC signal 5Volts p-p (TT1L)
Current 3000mA
Audio Input Formats DTS-HD/Dolby-TrueHD/LPCM7.1/DTS/Dolby-AC3/DSD
Audio Output Formats LPCM7.1/DTS/Dolby-AC3/DSD
Power Adapter 5VDC 2A
Weight .35 lbs.
Dimensions 5.375”W X 3”D X 1”H
Working Temperature 32 to 122°F (0 to 50 °C )
Working Humidity Up to 85% RH (no condensation)
Storage Temperature -4 to 149 °F (-20 to 65 °C )
Storage Humidity Up to 90% RH (no condensation)

This is an example of what a setup would look like.
For more detailed information on specific models, call Smart-AVI.

HDX-400 Diagram2

Model# Description
HDX-400S HDMI 4-Port Transmitter over a single CAT6 cable. Includes: [HDX-400 and (PS5VDC2A)]
HDX-RX100S (Not included) Receiver for  HDMI over a single CAT6 cable. Includes: [HDX-RX100 and (PS5VDC2A)]


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