4
1
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.
›
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 the output/display 1
›
Lossless Compressed Digital Audio:
Dolby
®
TrueHD, Dolby
®
Digital Plus, DTS-HD Master Audio
™
,
and Dolby
®
Atmos
›
CEC Disconnect:
Prevents unwanted control of source
Included Accessories
›
Power Supply: KD-PS5V2ASC 5V/2A DC power jack, screw-in type
›
Mounting Brackets: 2 L-shaped
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
›
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.
Always follow the instructions provided in this Operating Manual.
KD-DA1x2X
KD-DA1x4X
Visit product pages for most
recent version of the manual,
quick setup guide, firmware,
control drivers and all
additional downloads.
KD-DA1x2_1x4X Manual.indd 4-1
3/20/19 11:01 AM
