Microphones; Microphone clips; Microphone boom poles; Shock mounts for microphones; Transmitters and receivers for remotely controlling microphones; Antennas for wireless microphone receivers; Mounting plates for cameras, for use with wireless microphone systems; Audio signal converters and connectors; Headphones; Amplifiers for Headphones [ ; Megaphones ]

Common metals and their alloys; metal building materials; transportable buildings of metal; materials of metal for railway tracks; non-electric cables and wires of common metal; ironmongery, small items of metal hardware; pipes and tubes of metal; safes; goods of common metal not included in other classes; ores