For screen reader problems with this website, please call214-377-94342 1 4 3 7 7 9 4 3 4Standard carrier rates apply to texts.

Key Digital® 1x4 4K/18G HDMI Distribution Amplifier

Model #: KD-DA1x4
Key Digital
At a Glance
Key Digital® 1x4 4K/18G HDMI Distribution Amplifier with deep color support and 4K support
Call for Best Price
$99,999.00Save $NaN

Get to know this product.

Digital Distribution

  • 1 HDMI Source to 4 HDMI Displays

Ultra HD/4K Resolution

  • 4096x2160 or 3840x2160 30Hz at 4:4:4 and 60Hz at 4:4:4

HDCP Licensing

  • Compliancy up to HDCP 2.2 and backward compliant

18 Gbps Bandwidth

  • High Speed / Performance for latest HDMI standards

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

Resolution Support

  • SD, HD, and VESA up to UHD/4K

Deep Color Support

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

EDID Control

  • Internal library with 15 EDID handshakes in addition to native EDID data of output/display 1

Full Buffer™ System

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

Lossless Compressed Digital Audio

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

Deep Color Support

  • Up to 12 Bit at UHD/4K 24/25/30Hz 4:4:4

HDMI and HDCP Licensing

  • Fully licensed and compatible with HDCP 2.2 and HDMI

I2C Communication

  • EDID and HDCP buffering from Display to Source

CEC Disconnect

  • Prevents all device communication signals via CEC, ARC, and HDMI Ethernet channels

General Information

  • Input: HDMI Connector, Type A, 19 Pin Female
  • Output (Each): HDMI Connector, Type A, 19 Pin Female
  • Bandwidth: TMDS bandwidth 18 Gb/s
  • Deep Color Support: Digital video formats in Deep Color Mode up to 12 bits/color
  • DDC Communication: EDID and HDCP Bi-directional buffering from Display to Source
  • KD-DA1x2/1x4 Power Supply: KDPS12W5VD, 5V/2A, 12W, interchangeable head, screw-in connector
  • KD-DA1x8 Power Supply: KDPS20W5VC, 5V/2A, 20W, interchangeable head, screw-in connector
  • Regulation: CE, RoHS, WEEE
  • Enclosure: Black Metal
  • Product Dimensions: 6.9” x 3.25” x 0.55”
  • Shipping Dimensions: 8.25” x 4.75” x 3.6”
Useful Documents


HDMI Inputs:1
HDMI Outputs:4


Screen Resolution:4K

Misc. Specs

Product Weight (lbs.)0.8
Manufacturer Warranty3 Year
WarningProposition 65 Warning for California Residents