4K 18G 1×2 HDMI Distribution Amplifier

Item No. KD-DA1X2DC

Key Digital KD-DA1x2DC is a 4K 18G HDMI Distribution Amplifier with 4K to 1080p resolution down conversion option to enable a single HDMI video source to be displayed on multiple video displays, regardless of 4K or 1080p resolution support. KD-DA1x2DC is engineered to offer the best quality, performance, and reliability at a cost-effective price point and has been designed for professional audio video installations in digital signage, surveillance monitoring applications, and more. KD-DA1x2DC features L/R analog and optical digital audio de-embed ports, enabling ease of integration into amplifiers, distributed audio systems, or sound bars.


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HDMI Signal Distribution
1 HDMI source to 2 HDMI outputs/displays

Ultra HD/4K Support
4096×2160 or 3840×2160 24/25/30/60hz at 4:4:4 (signals up to 18Gbps bandwidth)

HDCP Licensing
Fully licensed and compatible with HDCP 2.2

HDR10 and Dolby Vision
More life-like images through a greater range of luminance levels

Resolution Support
Supports all SD, HD, and VESA (VGA, SVGA, XGA, WXGA, SXGA, UXGA) up to 4096x2160p

4K to 1080p Down Convert
When enabled, resolution conversion is applied to individual outputs(s) based on EDID from the connected display.

Deep Color Support
Up to UHD/4K 30Hz 4:4:4/12 bits or 60Hz 4:4:4/8 bit

Audio De-embedding
Audio of the connected HDMI input is output at the digital Optical and analog 3.5mm stereo connectors.

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

EDID Management
Internal library with 15 internal EDID handshakes including 4K with HDR in addition to native EDID data copied from output/display 1

Digital Audio Format Support
DTS-HD Master Audio, DTS:X, Dolby TrueHD, Dolby Atmos

CEC Disconnect
Prevents unwanted control of source


  • Technical:

    • Input: HDMI Connector, Type A, 19 Pin Female
    • Output (Each): HDMI Connector, Type A, 19 Pin Female
    • Bandwidth: TMDS bandwidth 18 Gbps
    • DDC Signal (Data): Input DDC Signal – 5 Volts p-p (TTL)
    • HDMI Video/Audio Signal: Input Video Signal – 1.2 Volts p-p
    • Power Supply: KD-PS5V2ASC, 5V/2A, 100-240VAC, 50-60Hz,
    • Interchangeable head, screw-in connector


    • Regulation: CE, RoHS, WEEE
    • Enclosure: Black Metal
    • Product Dimensions: 4.96” x 2.74” x 0.91”
    • Packaging Dimensions: 8.27” x 5.67” x 3.15”
    • Product Weight: 0 .45 lb
    • Shipping Weight: 1 .12 lb

Product Brochures

KD-DA1x2DC Manual

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