Headphones; Loudspeakers; Microphones; Acoustic couplers; Audio-receivers and video-receivers; Audio interfaces; Coaxial cables; Connections, electric; Couplings, electric; Electric cables; Electric wires; Electrical power connectors; Electronic sound pickups for guitars and basses; Fibre optic cables; Megaphones

Materials for electricity mains, namely, electric wires and electric cables; coaxial cables; fibre optic cables; loudspeakers; audio- and video-receivers; megaphones; microphones; acoustic couplers; headphones; audio interfaces; connections, electric; couplings, electric; plugs, sockets and other contactors being electrical connections; electronic sound pickup for guitars and bases