BLACKAIR

apparatus for recording, transmission or reproduction of sound or image; loudspeakers, loudspeaker; sound amplifiers; electro-mechanical acoustic converters; parts, fittings for the aforementioned goods

advertising; business management; business administration; consultancy, advisory and information services to the aforementioned services

provision of technical information and technical advice relating to loud speakers and audio systems; technical testing services for sound systems and loud speaker systems; research and design services for loud speakers and audio systems