Amplifiers; Antennas; Loudspeakers; Sirens; Amplifiers for wireless communications; Antennas; Antennas for radio, for television; Antennas for wireless communications apparatus; Burglar alarms; Cable television converters; 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 converters, and power inverters; Distribution amplifiers fo...