Heinrich's H9208-HO4 4-channel HDMI UHD seamless input board is a versatile component designed for intelligent 4K UHD hybrid matrices. It can handle four HDMI audiovisual signal output, including high-resolution UHD 3840×2160P@60Hz content. Its modular design allows for flexible expansion, making it convenient for various applications and maintenance. The board features four HDMI-A female interface inputs and four 3.5mm audio sockets, ensuring seamless switching without flickering or black screens. The plug-in matrix supports hot swapping and plug-and-play functionality, while memory protection and ESD electrostatic protection enhance reliability.

He board can handle both audio and video signals together, and supports separate audio transmission, including optional analog audio and HDMI embedded audio. It can support resolutions up to 3840 × 2160P@60Hz, with HDPC and HDTV support as well. Additionally, it offers EDID management capabilities, allowing for default or on-site learning. The maximum transmission distance varies based on resolution, with 1080P@60Hz reaching up to 20 meters and 3840 × 2160P@60Hz reaching up to 5 meters.