Apparatus and installation parts for recording, transmitting and reproducing sounds and images namely commercial and professional sound loudspeakers, loudspeaker systems and music speaker systems, electronic siren loudspeakers, environment resistent loudspeakers, mobile communication loudspeakers, sound masking loudspeakers and generators, compression drivers and transformers, telephones, voice intercom and telecom products, earphones, headsets and interface products, adapters, electrical receptacles, switching centres, wall plates, junction and terminal boxes, loudspeaker baffles, back boxes, grills, enclosures, cover plates, speaker housing, mounting brackets and mounting frames, microphone and audio equipment stands, boom stands, loudspeaker stands, microphoneholders, goosenecks and shock mounts; signalling and checking apparatus and instruments namely alarm and warning lights, audio evacuation (life safety speakers) audio-visual signalling devices, bells, klaxons, strobe and incandescent light signals; electric and electronic apparatus, instruments and installation parts for sound and communication systems namely attenuators, power supplies, transformers, relays, power controls, signal generators, communication control center, mixers and amplifiers, metal cabinets, consoles, drawers, enclosures, panels, racks and shelves; but excluding radio and television apparatus, their parts and accessories, gramophones, lamps for use in projection apparatus, lamps for scientific purposes, discharge lamps and other discharge apparatus, starting and controlling apparatus for same and parts thereof, starter switches, chokes, transformers, resistance condensers, quick start and dimming appliances all being parts of electrical wiring installations for use in controlling of electric discharge lamps and fluorescent lamps

Audio equipment, namely, loudspeakers, intercoms, sirens, horns, emergency communication systems, compression drivers, baffles, attenuators, repeaters, power supplies, telephone assemblies and components, audio cabinets, speaker grilles and frames, volume controls, sound-masking speakers and generators, audio components and accessories, racks, cabinets and consoles, and microphone and studio boom stands and accessories

Apparatus and installation parts for recording, transmitting and reproducing sounds and images namely commercial and professional sound loudspeakers, loudspeaker systems and music speaker systems, electronic siren loudspeakers, environment resistent loudspeakers, mobile communication loudspeakers, sound masking loudspeakers and generators, compression drivers and transformers, telephones, voice intercom and telecom products, earphones, headsets and interface products, adapters, electrical receptacles, switching centres, wall plates, junction and terminal boxes, loudspeaker baffles, back boxes, grills, enclosures, cover plates, speaker housing, mounting brackets and mounting frames, microphone and audio equipment stands, boom stands, loudspeaker stands, microphoneholders, goosenecks and shock mounts; signalling and checking apparatus and instruments namely alarm and warning lights, audio evacuation (life safety speakers) audio-visual signalling devices, bells, klaxons, strobe and incandescent light signals; electric and electronic apparatus, instruments and installation parts for sound and communication systems namely attenuators, power supplies, transformers, relays, power controls, signal generators, communication control center, mixers and amplifiers, metal cabinets, consoles, drawers, enclosures, panels, racks and shelves; but excluding radio and television apparatus, their parts and accessories, gramophones, lamps for use in projection apparatus, lamps for scientific purposes, discharge lamps and other discharge apparatus, starting and controlling apparatus for same and parts thereof, starter switches, chokes, transformers, resistance condensers, quick start and dimming appliances all being parts of electrical wiring installations for use in controlling of electric discharge lamps and fluorescent lamps