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Key Digital® 4K Power Over HDBaseT/HDMI (Tx + Rx Set) Extenders
Key Digital® 4K Power Over HDBaseT/HDMI (Tx + Rx Set) Extenders 0

Key Digital® 4K Power Over HDBaseT/HDMI (Tx + Rx Set) Extenders

Model #: KD-X422POA
Key Digital
At a Glance
Key Digital® 4K Power Over HDBaseT/HDMI (Tx + Rx Set) Extenders with audio de-embedding and deep color support
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$99,999.00Save $NaN

Get to know this product.

HDBaseT via Single CAT5e/6 UTP/STP Extension

  • With fully automatic adjustment of feedback, equalization, and amplification depending on cabling length

Power Over HDBaseT

  • Features power extension from Tx to Rx with Power Over HDBaseT, Rx unit does not require power supply

Audio De-Embedding

  • Audio from the HDMI input is de-embedded through Analog L/R Balanced/Unbalanced and Digital Coaxial Audio (PCM) audio outputs to enable external audio connectivity with audio distribution systems and amplifiers

Signal Extension

  • Up to 150 ft. @ 4K 24/25/30(4:4:4)/60(4:2:0) using KD-CAT6STP1X cabling
  • Up to 125 ft. @ 4K 24/25/30(4:4:4)/60(4:2:0) using third-party CAT5e/6UTP/STP cabling
  • Up to 250 ft. @ 1080p /1920x1200 using KD-CAT6STP1X cabling
  • Up to 230 ft. @ 1080p /1920x1200 using third-party CAT5e/6 cabling

HDCP 2.2

  • Compliancy up to HDCP 2.2 and backward compliant

HDR10 (High Dynamic Range)

  • More life-like images through a greater range of luminance levels

4K/UHD Resolution

  • Supports signals up to 4096x2160 60Hz [4:2:0] 8bit, 4096x2160 30Hz [4:2:2] 12bit, and 4096x2160 30Hz [4:4:4] 8bit

Deep Color Support

  • Up to UHD/4K 30Hz 4:2:2/12 bits or 60Hz 4:2:0/8 bit


  • Support for standard 3D stereoscopic signal formats

HDMI® and HDCP Licensing

  • Fully licensed and compatible with HDCP 2.2 and HDMI latest technology such as 4K/UHD 4:2:0/8bit at 60f/s

EDID Control

  • Internal library features 15 default EDID configurations and native EDID data from Output/Display devices connected via Rx

Hot Plug Detection Control

  • Enables integrator to choose if active signal voltage is forced to connected input devices

Full Buffer System™

  • Manages TMDS re-clocking / signal re-generation, HDCP authentication with source & display, EDID Control handshake, and Hot Plug control

Low Profile

  • Super slim chassis design

IR Sensor

  • Sensor powering via +5V on Rx unit’s IR In port collects line-of-sight IR from remote(s) without external IR connecting block

Up/Down IR

  • Two channels of IR enable control to/from devices connected to Tx and Rx units


  • Bi-Directional control to/from Tx and Rx unit on Phoenix connector

Rotary Switch RS-232 Control Mode

  • Provides control of Tx unit as well as connectivity status

Lossless Compressed Digital Audio

  • Support for Dolby® TrueHD, Dolby® Digital Plus, Dolby Atmos®, and DTS-HD Master Audio™

CEC Support

  • For inter-device control between input and output HDMI channel

I2C Communication

  • EDID and HDCP authentication to Display and Source

Control System Support

  • Fully controllable by all RS-232 supported control systems via open API: Compass Control®, AMX®, Crestron®, KNX®, RTI®, Savant, URC®, Leviton® etc.

General Information

  • Regulation: CE, RoHS, WEEE
  • Enclosure: Black Metal
  • Product (Each): 5” x 4.06” x 1.06”, Weight: 0.5 lbs
  • Power (Tx Only): KD-PS12V2ASC, 12V/2A, 100-240VAC, 50-60Hz, Interchangeable head with screw-in connector
  • Accessories: (2) Mounting Brackets, (1) IR Emitter, (1) IR Sensor, (1) 6 pin terminal plug, (2) 3 pin terminal plug
Useful Documents


Screen Resolution:4K

Misc. Specs

Manufacturer Warranty3 Year
WarningProposition 65 Warning for California Residents