
Orders placed during Passover Holiday (Wed 4/1 after 4PM ET – Thurs 4/9) will ship Fri 4/10. View our holiday shipping schedule.

This item is no longer available.
Review Summary
Accidents happen where life happens. Protect your favorite Adorama products and purchase a protection plan to stay covered from accidental damage, mechanical or electrical failure, and more.
If we can’t fix it, we’ll replace it at no additional cost.
Protect your product from drops, spills, and more.
Enjoy your gear without fear. We have you covered!
When regular use of your product over time results in mechanical or electrical failure.
We will never charge you a deductible after the purchase of a plan.
Our claims process is simple & easy and our customer service team is happy to help.
Adorama Protect powered by Extend is available for purchase to customers in the United States. Not available for purchase Internationally or in U.S. Territories.
Browse our FAQ
Tx: 1x HDMI, 1x IR, 1x RS-232 (Each)
Rx: 1x HDBaseT, 1x IR, 1x RS-232 (Each)
Tx: 1x HDBaseT, 1x IR, 1x RS-232 (Each)
Rx: 1x HDMI, 1x IR, 1x RS-232 (Each)
TMDS bandwidth 18Gbps
Digital video formats in Deep Color Mode up to 12 bits per color
EDID and HDCP Bi-directional buffering from Display to Source
HDMI: Type A, 19 Pin Female
RJ45: Shielded Link Connector, HDBaseT
IR: 4-pin Phoenix
RS-232: 3-pin Phoenix
1x 12V/1.66A, 20W DC Power Supply (Screw-In Type)
100-240VAC, 50-60Hz
Interchangeable transformer plug with screw-in connector.
CE, RoHS, WEEE, EAC
Black Metal
4.1 x 2.8 x 0.87" (10.41 x 7.11 x 2.2cm)
0.75 lb (340.19g)
815996020709
Key Digital KD-X444S is an HDCP2.2 compliant long range HDBaseT kit (Tx + Rx) with support of 18Gbps 4K/UHD signal extension for the latest digital video standards. KD-X444S extends UHD/4K signals up to 130 ft. (40m) using CAT5e/6 cabling. 1080p signals may be extended up to 230 ft. (70m). In addition to HDMI video and audio signals, KD-X444S carries IR and RS-232 for controlling remotely located equipment.
Features
HDBaseT via Single CAT5e/6 UTP/STP Extension: With fully automatic adjustment of feedback, equalization, and amplification depending on cabling length
4K Support: 4096x2160 or 3840x2160 24/25/30/60hz at 4:4:4 (signals up to 18Gbps bandwidth)
Flexible Power over HDBaseT: Only one power connection needed. Tx may power Rx, or Rx may power Tx.
Low Profile: Super slim chassis design
Signal Extension: For resolution and cable quality
4K/UHD: 125 ft. (40m) maximum
1080p: 230 ft. (70m) maximum
HDR10 (High Dynamic Range): More life-like images through a greater range of luminance levels
HDCP 2.2: Compliancy up to HDCP 2.2 and backward compliant
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 including 4K with HDR in addition to native EDID data from Output/Display device connected to Rx
Full Buffer System: Manages TMDS re-clocking / signal re-generation, HDCP authentication with source & display, EDID Control handshake, and Hot Plug Detection control
IR Sensor: Sensor powering via +5V on IR In ports collects line-of-sight IR from remote(s) without external IR connecting block
Up/Down IR: Two channels of IR enable control to/from devices or control systems connected to Tx and Rx units
RS-232: Bi-Directional control to/from Tx and Rx unit on Phoenix connector
Unit Control Mode: Provides control of Tx unit as well as connectivity status
Lossless compressed digital audio: Support for Dolby TrueHD, Dolby Digital Plus, Dolby Atmos, and DTS-HD Master Audio
CEC Pass-thru: For inter-device control between input and output HDMI channel
Control System Support: Fully controllable by all RS-232 supported control systems via open API: Compass Control Pro, AMX, Crestron, KNX, RTI, Savant, URC, Leviton etc.