Apparatus and instruments for conveying, distributing, transforming, storing, regulating or controlling electric current; Apparatus for transmission of communication; Apparatus for transmitting and reproducing sound or images; Audio cables; Audio-receivers and video-receivers; Cables and fibres for the transmission of sounds and images; Calculating machines, data-processing equipment and computers; Camera hardware systems for IP (Internet protocol) video surveillance; Cases for music, audio and related electronic equipment, namely, cases for audio tuners, audio receivers, amplifiers, tape players, compact disc players, MP3 controllers/players, audio mixers, audio speakers in the nature of music studio monitors, microphones, audio speakers, compact discs, audio tapes, portable computers, antennas, phonographic record players, audio recording equipment, and the cables associated with all of the foregoing equipment; Computer hardware and computer peripheral devices; Computer network adapters, switches, routers and hubs; 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; 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; Ethernet switches; Fibre optic couplings; LAN (local area network) hardware; Public address (PA) and sound system accessories, namely, microphone stands, speaker stands, microphone cables, speaker cables, speaker boxes and sound mixers; Sound and picture recording apparatus; Sound systems comprising remote controls, amplifiers, loudspeakers and components therefor; USB hubs