Key Digital® 4K HDMI Extender, Booster & Buffer of EDID
Key Digital® 4K HDMI Extender, Booster & Buffer of EDID 0

Key Digital® 4K HDMI Extender, Booster & Buffer of EDID

Model #: KD-HDFIX22
Key Digital
At a Glance
Key Digital® 4K HDMI Extender, Booster & Buffer of EDID with audio de-embedding and HDR10
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$99,999.00Save $NaN

Get to know this product.


  • Capable of extending UHD/4K and 1080p resolution up to 75 ft. / 23 m. in and 75 ft. / 23 m. out (150 ft. / 46 m. total)

HDMI Correction

  • Resolves common HDMI integration obstacles such as HDCP, EDID, HPD, and audio breakout

Resolution Support

  • Supports all SD, HD, and VESA resolutions up to Ultra HD/4K, 3D and 1080p/60 (60Hz & 50Hz)

4K/Ultra HD

Support for 4096x2160 or 3840x2160 24/25/30Hz at 4:4:4 or 60Hz at 4:2:0.

HDCP 2.2

  • Compliancy up to HDCP 2.2

HDR10 (High Dynamic Range)

  • More life-like images through a greater range of luminance levels. For some sources KD-HDFIX22 or KD-DA1x2 is needed to pass HDR10.

3D Ready

  • Capability to pass 3D stereoscopic signal formats

Full Buffer System™

  • Manages TMDS re-clocking / signal re-generation, HDCP authentication to source & display, and EDID Control handshake

Audio De-Embedding

  • Audio from the HDMI input is de-embedded through the Coax digital (PCM) and/or Analog L/R audio output


  • Precise signal equalization applied to input and output signals automatically delivers best possible picture quality

EDID Control

  • 15 internal EDID tables or EDID copy from output/display

Forced HPD

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


  • Fully licensed and compatible with HDMI up to 4KUHD/60Fps and HDCP 1.0 to HDCP 2.2 technologies.

I2C Communication

  • EDID and HDCP transparency from Display to Source

RS-232 Controllable

  • Control of unit and connectivity status

CEC Support

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

Deep Color Support

  • Up to 16 bits/color at 1080p/60

General Information

  • Regulation: CE, RoHS, WEEE
  • Power: External 5 Volt 2 Amp
  • Product: 3.6” x 2.5” x 1”, Weight: 4 oz
  • Packaging: 6.3” x 4.2” x 3.3”, Weight: 16 oz
  • Enclosure: Black Metal
Useful Documents


Warranty:3 Year Limited. See store for full details.


Screen Resolution:4K

Misc. Specs

Manufacturer Warranty3 Year
WarningProposition 65 Warning for California Residents