Loudspeaker cabinets; Audio frequency amplifiers; Radio receivers and transmitters; Electric sensors; Electronic chips for the manufacture of integrated circuits; Light switches; Light pens; Security alarms; Burglar alarms; Acoustic sound alarms; Loudspeakers; Megaphones; Microphones; Electric and electronic effects units for musical instruments; Wireless speakers; Audio equalizer apparatus

Electronic musical instruments; Electronic organs; Drums being musical instruments; Musical instruments; Music synthesizers; Mutes for musical instruments; Pedals for musical instruments; Tuning apparatus for musical instruments; Tuning forks; Musical boxes