Key Digital KD-DA1x4DC - Introduction

1
Introduction
Key Digital
®
KD-DA1x4DC 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-DA1x4DC 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-DA1x4DC features L/R analog and optical digital audio de-embed ports, enabling ease
of integration into amplifiers, distributed audio systems, or sound bars. KD-DA1x4DC supports
all video resolutions up to 4K/UHD, 4:4:4 chroma sub-sampling, 12bit deep color, and HDR.
EDID handshaking and Forced Hot Plug Detection professional tools help overcome common
HDMI handshaking and integration problems for ease of installation in any environment.
Key Features
› HDMI Signal Distribution: 1 HDMI source to 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 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 output(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
Included Accessories
› Power Supply: KD-PS5V1ASC 5V/1A DC power jack, screw-in type
› Mounting Brackets: 2 L-shaped