Amplifiers; Audio amplifiers; Audio circuit boards; Audio electronic components, namely, surround sound systems; Audio equipment for vehicles, namely, stereos, speakers, amplifiers, equalizers, crossovers and speaker housings; Audio equipment for vehicles, namely, subwoofers; Audio mixers; Audio-video receivers; Cables for electrical and optical signal transmission systems; Capacitors; CD players; Compact disc players; Consumer electronic products, namely, audio amplifiers, audio speakers, au...