electronic and electrical apparatus and instruments; namely, loudspeakers; loudspeaker drive units; electronic public address apparatus; electronic display panels; display panels for advertising, information and publicity purposes, with integrated or incorporated loudspeakers; sound reproduction apparatus; sound generation apparatus; acoustic apparatus for reproducing sound; loudspeakers integral to ceiling tiles; loudspeakers incorporated into ceiling tiles; sound reverberation units; noise cancellation apparatus; noise suppression apparatus; audio and video recording and reproducing equipment, namely, amplifiers, tuners, turntables, compact disc players, cassette players, microphones, headphones; digital to analogue converters; magnetic and optical media for or bearing sound recordings, namely blank digital audio tapes, blank audio cassettes tapes, blank compact discs, compact discs containing music, CD ROMS containing programs for playing music on computers and blank magnetic discs; electric cables and connectors; televisions and video recorders; control units; computers; computer peripherals; video display units, video monitors, screens, display screens, computer screens, television screens, touch screen apparatus, all having integrated or incorporated loudspeakers; parts and fitting for all the aforesaid goods