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Key Digital KDX444S 4K/18G HDMI/HDBaseT Extender Kit
Brand New · Factory Sealed · Key Digital Authorized Dealer
$499.99
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Free Canada-wide Shipping Order Now : Ships Mon
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  • Low Stock : Order Soon
  • Free shipping
  • 1yr Manufacturer Warranty
  • Pickup available: Richmond Hill, ON
  • 5% Price Promise
Trusted by 150,000+ Canadian customers since 2001
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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: Up to 130 ft. (40m) using CAT5e/6
  • 1080p: Up to 230 ft. (70m) maximum (Valens VS10)
  • 10G Pass-thru: Mode enables uncompressed 10.2Gbps signal extension
  • 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
  • Hot Plug Detection Control: Enables integrator to choose if active signal voltage is forced to connected input and output devices
  • 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
  • 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

Specifications:

Technical:

  • Inputs Tx (Each): 1 HDMI, 1 IR, 1 RS-232
  • Outputs Tx (Each): 1 HDBaseT, 1 IR, 1 RS-232
  • Inputs Rx (Each): 1 HDBaseT, 1 IR, 1 RS-232
  • Outputs Rx (Each): 1 HDMI, 1 IR, 1 RS-232
  • Bandwidth: TMDS bandwidth 18Gbps
  • Deep Color Support: Digital video formats in Deep Color Mode up to 12 bits per color
  • DDC Communication: EDID and HDCP Bi-directional buffering from Display to Source
  • HDMI Connector: Type A, 19 Pin Female
  • RJ45 Connector: Shielded Link Connector, HDBaseT
  • IR Connector: 4-pin Phoenix
  • RS-232 Connector: 3-pin Phoenix
  • Power: (1) 12V/1.66A, 20W DC Power Supply (Screw-In Type). 100-240VAC, 50-60Hz. Interchangeable transformer plug with screw-in connector. SKU: KD-PS20W12VQ

General:

  • Regulation: CE, RoHS, WEEE, EAC
  • Enclosure: Black Metal
  • Product (Each): 4.1"x 2.8"x 0.875""
  • Weight: 0.75 lbs

What's in the box:

  • Power Supply (qty 1) 12V/1.66A, 20W, desktop type, model KDSP20W12VC
  • Mounting Brackets (qty 4)
  • IR Emitter (qty 1)
  • IR Sensor (qty 1)
  • 3-pin Phoenix Connector (qty 2)
  • 4-pin Phoenix Connector (qty 2)

Product Details

  • Key Digital KDX444S 
  • Brand New : Factory Sealed
  • UPC : 815996020709 
  • EFLC : 12004
  • Write a review

Warranty

One Year Warranty

  • Parts and Labour Warranty
  • Canada-wide Coverage
  • Key Digital Authorized
View the detailed warranty policy

Returns

Easy Returns

  • 14-day return window on eligible items
  • Full refund issued in accordance with our return policy
View our full return policy
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About Key Digital

HDMI & CATV Units • HDMI & DVI Cables • AV Selectors & Splitters • IR Extender Kits & Remotes

Key Digital delivers practical, performance-focused solutions for modern home viewing setups, designed to integrate cleanly and work reliably day to day. We've been carrying Key Digital since 2021.

Explore our current Key Digital selection and best sellers. We offer both new and open-box items, and everything is clearly marked. Popular categories include HDMI & CATV Units, HDMI & DVI Cables, AV Selectors & Splitters.

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Trusted by over 150,000 Canadian customers since 2001
63 weeks ago
★★★★★
“Great service. Clear info on the open-box condition and quick shipping. Speakers sound great!”
— Philippe C.
Recently posted
★★★★★
“I got an open-box high-end product from them at a fantastic discount. Great experience overall.”
— Nicolas G.
21 weeks ago
★★★★★
“Best price by far. Knowledgeable staff backed it up with courteous service and fast free delivery.”
— Glenn M.
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★★★★★
“Good products and excellent service.”
— Michel B.