Sound amplifiers; Audio headphones; Personal headphones for sound transmitting apparatuses; Radio receivers and transmitters; Assistive listening device not for medical purposes; 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; Audio cables; Audio receivers; Audio switching apparatus; Apparatus fo...