DUR-BUL INSTRUMENTS

Electronic sound mixing, processing and synthesizing apparatus; Computer component testing and calibrating equipment; Audio amplifiers; 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; Power supplies; Electronic circuit board

Music synthesizers; Electric and electronic musical instruments; Tuners for electronic musical instruments