The EX-19B is a professional broadcasting switcher from Panasonic. It is designed to be used in professional broadcast production systems and is part of the Panasonic Broadcast Mixer series. It offers audio monitoring and mixing, as well as video and audio output ports for connection to professional external equipment. The EX-19B has 16 inputs and 12 outputs, making it ideal for multi-camera TV broadcasts. It is designed for use with Panasonic's HD and SD compatible cameras, including DVC Pro25, DVC Pro50, and HD/SD-SDI formats. Additionally, it features a simultaneous SD/HD output, six customizable sub buses, frame synchronizing, and delay compensation. It is highly versatile, making it ideal for many professional broadcast applications.