SmartAVI HDX-400-Pro 4-Port HDMI Extender Over CAT5e/CAT6 STP

The SmartAVI HDX-400-Pro is a high-performance HDMI extender kit engineered for reliability, flexibility, and expansive multi-display applications. Designed to distribute a single HDMI source to up to four displays over standard twisted-pair cabling, this system is ideal for digital signage, classrooms, conference rooms, control rooms, and retail environments. With Cat5e/6 STP cabling, the HDX-400-Pro preserves Full HD clarity across long distances, delivering crisp video and synchronized audio to multiple screens. Whether you’re wiring a storefront, a lecture hall, or a corporate lobby, this 4-port extender provides a clean, scalable solution that minimizes cable clutter while maximizing signal integrity.

• 4-Port HDMI Extender over CAT5e/6 STP: Transmit one HDMI source to four displays via four RJ-45 connections using shielded twisted-pair cables. Perfect for synchronized multi-screen setups, digital signage, and broadcast-style presentations.
• 180 ft Transmission Range: Reliable distribution up to 180 feet (approximately 55 meters) on Cat6 STP, enabling flexible installations across large rooms, classrooms, or retail spaces without signal degradation.
• Full HD 1080p Support: Delivers clear, 1920x1080 video with smooth motion for dynamic content, presentations, or high-definition media playback across multiple displays.
• 1 HDMI Input on Transmitter: A single HDMI input feeds the system, simplifying source management and reducing the number of cables entering the equipment rack.
• Category 6 STP Cabling for Signal Integrity: Optimized for shielded Cat5e/6 twisted-pair cabling to minimize interference, maintain stable color and contrast, and ensure dependable performance in challenging environments.

Technical Details of SmartAVI HDX-400-Pro

• Transmission type: HDMI over Cat5e/6 twisted-pair cabling
• Inputs: 1 x HDMI In (transmitter side)
• Outputs: 4 x RJ-45 network connections (to four receivers)
• Maximum range: Up to 180 ft (55 m) with Cat6 STP
• Resolution: Full HD 1920x1080
• Cable compatibility: Cat5e/6 STP twisted pair
• Signal: HDMI video and audio transmitted from source to four displays

How to Install SmartAVI HDX-400-Pro

• Begin by connecting your HDMI source (Blu-ray player, laptop, media player, etc.) to the transmitter’s HDMI In port.
• Lay Cat5e/6 STP cable runs from the transmitter to each of the four receiver units, ensuring you use shielded cabling to maximize signal integrity.
• At each display location, connect the corresponding receiver to the display’s HDMI input using standard HDMI cables.
• Power up the transmitter and all four receivers using the included power adapters or as specified by the installation kit. Verify that all devices are powered and recognized by the source.
• Power on the displays and set the HDMI source to the correct input. If necessary, configure the displays to match the source’s resolution (1920x1080) for optimal picture quality, and ensure the content is synchronized across all screens.

Frequently asked questions

• What does the HDX-400-Pro do? It is a 4-port HDMI extender that distributes a single HDMI input to four displays over Cat5e/6 STP cables, enabling multi-screen viewing from one source.
• How far can I send the HDMI signal? The system supports up to 180 feet (about 55 meters) when using Cat6 STP cabling, making it suitable for larger rooms or campus environments.
• How many displays can be connected? Four displays can receive the HDMI signal from one transmitter, using four RJ-45 connections to four receivers.
• What resolution is supported? The HDX-400-Pro supports Full HD 1080p (1920x1080), delivering sharp video quality suitable for most professional applications.
• What cables are required? Standard Cat5e or Cat6 twisted-pair cables with shielding (STP) are recommended to maximize performance and minimize interference.