Description: Sound, Security. Intercom System Integrator, Diligent Communications Inc is the premier integrator of PROMETHEAN Boards in classrooms. As the top reseller of PROMETHEAN canada in Ontario, we provide Promethean Professional Development for educators
video (50720) audio (11165) security (9541) sound (5821) intercom (290) system integrator (116) educational resources (115) promethean (15) frontrow sound field (1) interactive whiteboard community (1)