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Product Details
Key Digital 4K/UHD 18Gbps, HDCP2.2 Compliant HDMI Over CAT5e/6 Transmitter Plus Receiver Set - KD-X444SP
KD-X444SP is a 4K/UHD 18Gbps, HDCP2.2 compliant HDMI over CAT5e/6 Transmitter plus Receiver set for reliable extension of digital video signals between source and displays.
Full Buffer Technology for Enhanced Reliability
Key Digital's HDMI extenders, including the KD-X444SP, feature Full Buffer Technology. This technology ensures smooth and efficient HDMI handshakes between devices, preventing compatibility issues.
KD-X444SP offers 16 different EDID handshake options, including auto-EDID. These options guarantee the perfect handshake between your source and display, ensuring optimal video and audio transfer.
Forced Hot Plug Detection
The forced hot plug detection feature helps prevent common HDMI connection issues. It ensures that your HDMI source knows when to output audio and video to the connected display.
This functionality remains reliable even in situations where standard hot-plug detection might fail. This can significantly reduce troubleshooting time and ensure faster sync times.
Support for 4K at 60Hz and HDR
The KD-X444SP HDMI extender over CAT6 supports 4K video at up to 60 frames per second with HDR and up to 4:4:4 chroma sub-sampling.
12-bit deep color support enables HDR video at 60, 30, or 24 frames per second.
Of course, 1080p and lower resolutions may also be extended with additional distance support of up to 230 feet (70 meters).
IR and RS-232 Control
For AV professionals, the KD-X444SP HDMI extender 4K is suitable for advanced control applications. Thanks to convenient control connectivity including a 3.5mm IR control port and RS-232 via a Phoenix connector.
Shelf Mount Solution (KD-SMS16)
For clean installations, mount KD-X444SP on the KD-SMS16 (sold separately) Shelf Mount Solution.
The KD-SMS16 is compatible with various Key Digital products for ease in organizing your AV setup.
Features
- Single CAT5e/6 UTP/STP Extension: Fully automatic equalization, and amplification depending on cabling length
- 4K Resolution Support: 4096x2160 or 3840x2160 24/25/30/60hz at 4:4:4 (signals up to 18Gbps bandwidth)
- Flexible Power over CAT (PoC): Only one power connection needed. Tx may power Rx, or Rx may power Tx
- Low Profile: Super slim chassis design
- Signal Extension: 4K/UHD (18G), 4K 10G up to 164ft / 50m. 1080p and lower up to 230ft / 70m
- HDMI Pass-Thru Port (New Q3, 2024): For connecting local monitor, AV surround receiver, and more.
- 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
- Surround Audio Support: HDMI Pass-Thru supports Dolby, Dolby TrueHD, DTS and DTS-HD (formats up to 7.1); CAT6 Output supports Dolby, DTS (formats up to 5.1/6.1)
Additional Features
- HDR (High Dynamic Range): More life-like images through a greater range of luminance
- HDCP 2.2: Compliancy up to HDCP 2.x and backward compliant
- Visually Lossless Compression: 18G enabling technology applied to all video formats exceeding 10.2Gbps to accommodate transmission channel
- 10G Pass-thru: Mode enables uncompressed 10.2Gbps signal extension.
- Deep Color Support: Up to UHD/4K 30Hz 4:4:4/12 bits or 60Hz 4:4:4/8 bit -Full Buffer Technology: Key Digital’s proprietary suite of EDID, HDCP, TMDS, and HPD management to overcome Pro AV installation obstacles.
- EDID Management: Internal library with 14 internal EDID handshakes including 4K with HDR in addition to native EDID data copied from CAT5e/6 or HDMI pass-thru outputs
- HDCP Authentication: HDCP sources are authenticated by the HDCP key on transmit unit, for one-to-one topology
- Hot Plug Detection Control: Enables integrator to choose if the active signal voltage is forced to the connected display/output device
- TMDS Re-Clocking: Re-generation of TMDS (AV signal) channel data at Transmit unit for brand-new AV signal
Shipping & Return
Return Policy
You need to have a Return Authorization (RA) number before returning any products to HSSL Technologies.
For a hard copy of this form and a shipping label, please include your request in the form below.
You can also request an RA online by submitting an RA Request via email. Once you have provided HSSL Technologies with the appropriate information, we will contact you with an assigned RA number.
Defective or DOA Products
DOA or defective products are returned for REPLACEMENT ONLY with the same product/model. Deviations from this policy may result in a 20% Returns Processing Service Charge.
- Defective products must be in the original factory carton with all original packing materials.
- The Return Authorization number must be on the shipping label, not the carton. Please do not write on the carton.
- Returns must be shipped freight prepaid. Products received freight collect, without an RA number, or not approved for return will be refused.
- Return Authorization numbers are valid for fourteen (14) days only. Products returned after expiration will be refused.
- HSSL credits are based on the purchase price or current price, whichever is lower.
General Return Terms
You may return most new, unopened items within 30 days of delivery for a full refund. We will also pay return shipping costs if the return is a result of our error (e.g., you received an incorrect or defective item).
You should expect to receive your refund within approximately six weeks of giving your package to the return shipper. This period includes:
- 5–10 business days for us to receive your return from the shipper
- 3–5 business days for us to process your return
- 5–10 business days for your bank to process the refund
If you need to return an item, please Contact Us with your order number and product details. We will respond quickly with instructions for returning items from your order.
Shipping Policy
We can ship to virtually any address in the world. Note that there are restrictions on some products, and certain products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates based on the availability of your items and the shipping options you select. Depending on the provider, estimated shipping dates may appear on the shipping quotes page.
Please also note that shipping rates for many items are weight-based. The weight of each item can be found on its product detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
Has my order shipped?
Click the "My Account" link at the top right hand side of our site to check your orders status.
How do I change quantities or cancel an item in my order?
Click the "My Account" link at the top right hand side of our site to view orders you have placed. Then click the "Change quantities / cancel orders" link to find and edit your order. Please note that once an order has begun processing or has shipped, the order is no longer editable.
How do I track my order?
Click the "My Account" link at the top right hand side of our site to track your order.
My order never arrived.
Click the "My Account" link at the top right hand side of our site to track your order status. Be sure that all of the items in your order have shipped already. If you order displays your Package Tracking Numbers, check with the shipper to confirm that your packages were delivered. If your packages each show a status of "delivered", please contact customer service for assistance.
An item is missing from my shipment.
Click the "My Account" link at the top right hand side of our site to track your order status. Be sure that all of the items in your order have shipped already. If you order displays your Package Tracking Numbers, check with the shipper to confirm that your packages were delivered. If your packages each show a status of "delivered", please contact customer service for assistance.
My product is missing parts.
Click the "My Account" link at the top right hand side of our site to track your order status. Be sure that all of the items in your order have shipped already. If you order displays your Package Tracking Numbers, check with the shipper to confirm that your packages were delivered. If your packages each show a status of "delivered", please contact customer service for assistance.
When will my backorder arrive?
Backordered items are those which our suppliers are unable to predict when they will have more in stock, but as soon as they do, we will be able to ship the item to you.
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Why Choose HSSL?
We connect businesses with the right technology solutions to power growth, security, and efficiency.
Expertise
Backed by years of industry knowledge, our specialists understand the challenges modern businesses face.
Partnerships
We collaborate with top-tier technology providers to bring you innovative & high-performance products.
End-to-End Support
Our dedicated support ensures your systems stay optimized, secure, and ready for what’s next.
Scalable Solutions
Our adaptive approach ensures your IT infrastructure evolves seamlessly as your business expands.
Expert in IT & Security Solutions
At HSSL, we specialize in delivering cutting-edge IT infrastructure, cloud, and cybersecurity services that empower businesses to thrive in a digital-first world. Our trusted professionals provide reliable insights on:
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Digital Transformation Strategy
Empowering businesses to adapt and grow through modern, secure, and scalable digital infrastructure.
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Advanced Cybersecurity
Protecting your organization from digital threats with proactive monitoring and smart security frameworks.
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Cloud & Infrastructure Management
Optimizing cloud performance and IT operations for seamless scalability and improved business agility.
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Data Backup & Recovery
Ensuring business continuity through secure data management, automated backups, and rapid recovery solutions.
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Network & Endpoint Solutions
Delivering secure, high-performance networking systems that keep your business connected and efficient.
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Technology Consulting
Guiding organizations toward smarter IT investments and solutions that align with their long-term goals.
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