SKU: 89537771651

SmartAVI Quad Head DVI-D, USB Keyboard and Mouse Extender Over Cat5e/6

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Description

SmartAVI Quad Head DVI-D, USB Keyboard and Mouse Extender Over Cat5e/6Experience enterprise grade video distribution with the SmartAVI SDX 4P Quad Head DVI D extender. Leveraging HDBaseT technology, this solution transports four DVI D video channels along with USB keyboard and mouse signals over standard Cat5e 6 cabling. Designed for classrooms, control rooms, retail environments, and executive meeting spaces, the SDX 4P delivers reliable, long range performance without the complexity or expense of shielded CAT6

Experience enterprise-grade video distribution with the SmartAVI SDX-4P Quad Head DVI-D extender. Leveraging HDBaseT technology, this solution transports four DVI-D video channels along with USB keyboard and mouse signals over standard Cat5e/6 cabling. Designed for classrooms, control rooms, retail environments, and executive meeting spaces, the SDX-4P delivers reliable, long-range performance without the complexity or expense of shielded CAT6 cabling. If you need to extend multiple high-definition displays from a single source across a large room or campus, this SmartAVI extender offers a scalable, plug-and-play approach that keeps installation straightforward and future-ready.

  • HDBaseT-powered quad DVI-D extension: Transmit four DVI-D video channels from a single source to four displays or displays in a gallery, enabling synchronized or independent content across multiple monitors with minimal latency.
  • Long reach over standard cables: Extend quad DVI-D signals up to 400 feet (approximately 120 meters) using four conventional Cat5e/6 cables, making it ideal for large classrooms, conference rooms, and multimedia installations.
  • USB keyboard and mouse pass-through: Conveniently extend USB input devices from the remote location back to the host, enabling a complete KVM-like experience across distant displays and workstations.
  • Simple, cost-effective installation: Uses standard Cat5e/6 cabling without the need for shielded CAT6 or specialty cables, reducing material costs and simplifying network layouts for retrofits and new builds alike.
  • Versatile, enterprise-ready design: Built for multi-display setups in professional environments, the SDX-4P supports scalable deployment across meeting spaces, control rooms, digital signage, and education facilities, with a focus on reliability and ease of use.

Technical Details of SDX-4P

  • Technology: HDBaseT-based quad DVI-D extender, delivering four DVI-D video paths from a single source to multiple displays over Cat5e/6.
  • Distance: Up to 400 feet (120 meters) of transmission over standard Cat5e/6 cables, reducing the need for expensive shielded cables in long-distance installations.
  • USB support: USB keyboard and mouse signals are extended alongside video, enabling convenient input device control at remote displays.
  • Cable requirements: Compatible with traditional Cat5e/6 cabling, avoiding the need for specialty shielded wire in most install scenarios.
  • Application versatility: Suited for multi-display environments such as classrooms, corporate boardrooms, digital signage networks, and control centers where centralized content distribution and remote input are beneficial.

How to install SDX-4P

  • Connect your DVI-D source (computer or media player) to the transmitter’s DVI-D input using a standard DVI-D cable.
  • Attach four Cat5e/6 cables from the transmitter to the corresponding receiver inputs, ensuring the cables are properly seated and secured.
  • Connect each receiver’s DVI-D outputs to the four displays you want to drive, using individual DVI-D cables for each monitor.
  • Plug in the USB keyboard and mouse into the appropriate USB ports at the remote location, enabling input device control over the extended setup.
  • Power on the transmitter, receiver, source device, and displays. The HDBaseT link will automatically carry video, USB signals, and any supported ancillary data; configure display settings as needed to achieve the desired resolution and layout.

Frequently asked questions

  • Q: What is the reach of the SDX-4P? A: The system can extend quad DVI-D signals up to 400 feet (approximately 120 meters) over standard Cat5e/6 cables, making it suitable for large rooms and campuses.
  • Q: Does HDBaseT require shielded cables? A: No. HDBaseT technology enables long-distance transmission using standard Cat5e/6 cables, which often simplifies installation and reduces cabling costs compared to older solutions that required shielded CAT6.
  • Q: Can I use USB devices at the remote end? A: Yes. The extender supports USB keyboard and mouse pass-through, allowing you to interact with the source system from the remote location.
  • Q: How many displays can I drive with the SDX-4P? A: The SDX-4P is designed to distribute four DVI-D video channels, enabling up to four displays depending on your configuration and bandwidth needs.
  • Q: Is this a plug-and-play solution? A: Yes. The SDX-4P is designed for straightforward installation with minimal configuration; connect the transmitter, receiver, cables, and displays, then power everything up to begin use.
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
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SKU: 89537771651

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Kcfangue
Boise, US
★★★★★ 5
Perfect fit, durable and affordable
Size: 9.5" x 10.9" x 2.1"
Ordered this for our 2023 Honda civic. Great fit, durable and very affordable. Was so easy to pull old one out and replace new one. Will be ordering again.
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Reviewed in the United States on November 3, 2025
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NY2CO
New York, US
★★★★★ 5
Save money by installing yourself
Size: 9.5" x 10.9" x 2.1"
Good price and easy to install in a 2019 Honda CRV. Instructions can be found on YouTube. Much less expensive than having a service center install them.
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Reviewed in the United States on February 14, 2026
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Customer Review
Bozeman, US
★★★★★ 4
Always fits and is easy to install
Size: 9.5" x 10.9" x 2.1"
We've bought these for years and they always fit and are easy to install. Easy to see when they are dirty and need to throw away. Embarrassed that we let the car dealership do it for so long. We set on six-month subscribe and save so that we know when to replace it - change it whenever it shows up!
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Reviewed in the United States on September 13, 2023
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Randy Shiverdecker
Houston, US
★★★★★ 5
Better than I expected.
Size: 9.5" x 10.9" x 2.1"
Fits perfectly. Easy to install. As good of quality as the original equipment filter.
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Reviewed in the United States on January 9, 2026
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Victor Escobar
Massapequa, US
★★★★★ 5
Great
Size: 9.5" x 10.9" x 2.1"
Excellent product! My car really needed it. Super fast delivery and the best price. I'm super happy with this product.
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Reviewed in the United States on November 12, 2025

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