The ATEN HDMI Matrix VM3909H is a professional 9×9 4K HDMI HDBaseT-Lite Matrix Switch designed for reliable AV signal distribution in commercial, residential, and conference environments. It delivers uncompressed 4K video, digital audio, IR control, and power over a single Cat 6a cable, providing a flexible and efficient solution for modern AV installations.
Powered by HDBaseT technology, the ATEN HDMI Matrix VM3909H extends 4K signals up to 40 meters and Full HD signals up to 70 meters while maintaining exceptional image quality and stable transmission. This minimizes cable complexity and simplifies system deployment.
When paired with compatible ATEN HDBaseT receivers such as the VE805R or VE816R, the switch supports ATEN Seamless Switch™ Technology, enabling uninterrupted video switching with virtually no delay or black screen. This feature ensures a smooth viewing experience for professional presentations, digital signage, and mission-critical AV applications.
The built-in Video Wall function allows users to create up to 18 customizable video wall profiles through an intuitive web interface. This capability makes the switch ideal for command centers, control rooms, retail displays, and large-scale visual installations.
The integrated Power over HDBaseT (PoH) feature simplifies installation by supplying power to compatible receivers through a single network cable, reducing the need for additional power adapters and lowering installation costs.
The ATEN HDMI Matrix VM3909H offers multiple control methods, including front panel push buttons, IR remote control, RS-232, Ethernet, Telnet, and Web GUI. These flexible management options allow seamless integration into existing AV control systems while providing convenient remote operation.
Designed for professional AV environments, the switch combines reliable signal distribution, advanced switching technology, and easy management into one powerful matrix solution.
Key Features
- 9×9 HDMI HDBaseT-Lite Matrix Switch
- Supports uncompressed 4K UHD and Full HD video
- Extends 4K signals up to 40 m via Cat 6a cable
- Extends Full HD signals up to 70 m
- HDBaseT technology for video, audio, IR, and power transmission
- ATEN Seamless Switch™ Technology for uninterrupted switching
- Supports Video Wall with up to 18 custom layouts
- Power over HDBaseT (PoH) for compatible receivers
- Multiple control options including Web GUI, Telnet, RS-232, IR, and front panel
- Stable and reliable AV signal distribution
- Easy integration into professional AV systems














































































































