The 16x16 multimedia matrix switch system is modular AV switching platform that converts and switches wide range of digital and analog AV inputs to HDMI via HDBaseT over Cat5e/6 cable or fiber. The switch features an 8-slot chassis that allows up to four 4-port input modules to be switched to up to four 4-port output modules for maximum switching capacity of 16x16. The matrix switch is managed via front panel controls or via web server interface and features dual-redundant power supplies for ease of service. The matrix switch works with the 500451-Rx HDMI receiver to convert all AV inputs to HDMI. It is applicable for digital signage, retail, residential AV signal routing, boardroom projector systems, classroom training, professional video editing, medical imaging, courtroom systems, rental, staging, video kiosks, airport video information systems, emergency operations centers and multimedia entertainment centers.