Amplifiers; Earphones; Audio-receivers and video-receivers; Audio cables; Coaxial cables; Electrical pickups for use with musical instruments; Electronic effects units for musical instruments; Electronic equipment, namely, transformers, baluns, and cables, all used in connection with computers, computer peripheral devices, televisions, audio-video equipment, closed-circuit TV equipment and telecommunication equipment; Loudspeakers, headphones, microphones and CD players