transmission of voice data, utilizing a public and/or private communication network

Consumer electronic products, namely, audio amplifiers, audio speakers, audio receivers, electrical audio and speaker cables and connectors, home theater systems, audio decoders, video decoders, speakers, power conversion devices, power converters, and power inverters; Public address (PA) and sound system accessories, namely, microphone stands, speaker stands, microphone cables, speaker cables, speaker boxes and sound mixers