audio visual equipment, namely, specially adapted audio visual equipment storage racks and component parts thereto, and speaker selectors in the nature of electronic switchers for audio signals and speaker controllers; signal distribution amplifiers for audio and video signals; IR distribution devices and systems, namely, receivers of electronic, audio, video and radio signals, connecting blocks in the nature of signal splitters for IR distribution systems, and IR flashers for transmitting electronic signals; network switching and connecting devices, namely, computer network switches, routers and hubs; matrix switchers for audio and video signals; all of the foregoing being for professional use and sold exclusively to professional installers and dealers of video, audio, lighting control, content management, networking, digital signage, and whole-home and business automation systems
Electrical and Scientific Apparatus