Apparatus for broadcasting, recording, transmission or reproduction of sound or images; Apparatus for recording, transmission or reproduction of sound; Apparatus for the recording, transmission and reproduction of sound and images; Desk or car mounted units incorporating a loudspeaker to allow a telephone handset to be used hands-free; Digital audio and video recorders and players; Loudspeakers, headphones, microphones and CD players; Public-address systems and instruments; Recording and play...