Key Digital KD-DA1x2X, KD-DA1x4X Operating Instructions Manual
Rev 0 – March 2019
Key Digital®, led by digital video pioneer Mike Tsinberg,
develops and manufactures high quality, cutting-edge
technology solutions for virtually all applications where
®
high-end video and control are important. Key Digital
is at the forefront of the video industry for Home
Theater Retailers, Custom Installers, System Integrators,
Broadcasters, Manufacturers, and Consumers.
KD-DA1x2X KD-DA1x4X
1x2/1x4 (4K@60Hz/18G/444) HDMI Distribution
Amplifiers with L/R / Optical Audio &
De-Embedded Audio Output
Operating Instructions
KD-DA1x2X KD-DA1x4X
Key Digital® :: 521 East 3rd Street :: Mount Vernon, NY 10553
Phone : 914.667.9700 Fax : 914.668.8666 Web : www.keydigital.com
The Experts in Digital Video Technology and Solutions
™
4 1
Table of Contents
Introduction .................................................................... 1
Quick Setup Guide ............................................................... 2
Application Example .............................................................. 2
Front & Rear Panel Connections, Buttons, and LEDs .......................................3
Specifications ................................................................... 7
Important Product Warnings & Safety Instructions.........................................8
Contacting Key Digital .............................................................9
Warranty Information.............................................................. 9
Visit product pages for most
recent version of the manual,
quick setup guide, firmware,
control drivers and all
additional downloads.
KD-DA1x2X KD-DA1x4X
Introduction
Key Digital® KD-DA1x2X/KD-DA1x4X are 4K/18G HDMI Distribution Amplifiers engineered to offer the best
in quality, performance, and reliability, while providing a cost-effective HDMI signal distribution solution.
Designed for professional audio video installations in digital signage applications, KD-DA1x2X/KD-DA1x4X
enables a single video source to be displayed on multiple video displays. L/R analog and digital Optical
de-embed ports provide an external audio signal of the connected source so it may be fed into amplifiers,
distributed audio systems, and digital audio sound bars. KD-DA1x2X/KD-DA1x4X HDMI Distribution
Amplifiers support all SD, HD, VESA and Ultra HD/4K video standards with HDR header information included
in a variety of 4K EDID handshakes. The Distribution Amplifiers feature status-monitoring LEDs, and support
of HDR10, HDCP 2.2 and 4K.
Key Features
› HDMI Signal Distribution: 1 HDMI source to 2/4 HDMI outputs/displays
› Ultra HD/4K Support: 4096x2160 or 3840x2160 24/25/30/60hz at 4:4:4
(signals up to 18Gbps bandwidth)
› HDCP Licensing: Fully licensed and compatible with HDCP 2.2
› HDR10 (High Dynamic Range): 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.
› 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 selected HDMI input is output at the digital Optical and analog
3.5mm stereo connectors.
Atmos
™
: Manages TMDS re-clocking / signal re-generation, HDCP authentication to
®
TrueHD, Dolby® Digital Plus, DTS-HD Master Audio™,
› Full Buffer System
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 the output/display 1
› Lossless Compressed Digital Audio: Dolby
and Dolby
› CEC Disconnect: Prevents unwanted control of source
®
Always follow the instructions provided in this Operating Manual.
› Note: Please visit www.keydigital.com for the latest product documentation and software downloads.
Product features and specifications are subject to change without notice.
© 2019 Key Digital, Inc. All rights reserved.
Included Accessories
› Power Supply: KD-PS5V2ASC 5V/2A DC power jack, screw-in type
› Mounting Brackets: 2 L-shaped
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