S SOUND

Acoustic conduits; Acoustic couplers; Acoustic coupling devices; Amplifiers; Audio- and video-receivers; Cabinets for loudspeakers; Camcorders; Cash registers; Compact disc players; Data processing apparatus; Horns for loudspeakers; Identification threads for electric wires; Loudspeakers; Megaphones; Microphones; Monitor signal amplifiers; Radios; Recording and playing devices for sound and image carriers; Sound transmitting apparatus; Video screens; Data processing equipment, namely, couplers; Electronic monitors for monitoring flowmeters; Radio receivers and monitors for reproduction of sound and signals; Video monitors; Wireless controllers to monitor and control the functioning of other electronic devices