The Modular Matrix Switcher 16 port, 4K Seamless, I/O Auto detect is a high-performance seamless AV modular matrix switcher providing 12 flexible PCIE slots for single HDMI/HDBaseT/VGA input/output cards and 4 fixed slots for output signal cards. With its advanced modular design, a single HDBaseT/HDMI/VGA input/output card can make up different kinds of matrixes. All the cards support plug-and-play. It supports different video signals with seamless cross switching. Every video or audio signal is transmitted and switched independently to decrease signal attenuation. The switcher can handle all the audio-visual management, including switching, driving, scaling, etc.