VADDIO 999-8230-000 AV Bridge MATRIX PROThe AV Bridge MATRIX PRO combines audio and vide mixing functionality into a single appliance. It provides a simple way to add multiple cameras, microphones and other AV devices to a traditional AV room design. It then manages the complex process of mixing, switching and controlling those devices into a single USB stream. Users get the advantage of integrating their PC based platform and intuitive UC interface while being connected to multiple sensory