Audio- and video-receivers; Audio interfaces; Audio mixers; Cabinets for loudspeakers; Compact discs featuring music; DVD players; Earphones and headphones; Equalisers being audio apparatus; Horns for loudspeakers; Loudspeakers; Loudspeakers, headphones, microphones and CD players; Megaphones; Microphones; Radios; Sound recording apparatus; Sound transmitting apparatus; Transponders; Video recorders; Acoustic membranes; Blank compact discs; Pickups for telecommunication apparatus