Closed circuit TV systems for security and surveillance, namely, cameras, switchers, monitors, microphones, and recorders; Apparatus and instruments for recording, transmitting, reproducing or processing sound, images or data; Video transmission apparatus; Audio-video receivers; Consumer electronic products, namely, audio amplifiers, audio speakers, audio receivers, electrical audio and speaker cables and connectors, audio decoders, video decoders, speakers, power conversion devices, power co...