The JED control panels are a great low cost and simple panel to use with a classroom or boardroom AV system. They are available in a variety of layouts, ranging from the most basic 2 button controller to a more advanced OLED display panel.
JED T430: low cost, 2 button simple controller
JED T440: Economical 4, 6 or 8 button controllers
T440 Code 9
JED T460: Controller with OLED text display
