9 Converters; Converters, electric; 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; DC/AC power converters; Electric converters; Electric power converters; Electronic controllers for use with power converters; Frequency converters; Photovoltaic systems that convert sunlight into electric and thermal energy