INVISIBLE HOME THEATER

instructional programs in the nature of training for the design, use and installation of audio and video components, namely, volume controls, speaker selectors, switch plates, impedance matching devices, infrared extenders, automated and manual switches, convenience outlets, loudspeakers, mounting brackets for loudspeakers, receivers, amplifiers, pre-amplifies, remote controls, wire connectors, key pads, electrical, audio, video and telephone voltage surge suppressors, and home automation and control units