

Established in 1981, the company's broad experience on all types of projects, coupled with a commitment to continuous professional development and further education in the field, has established SED as a leading firm in the audio and acoustics industry.
Our professional, considered and thorough approach has enabled us to develop longstanding relationships with many of our clients, among them architects, building companies, school managers and church administrators.
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Members of the Institute of Acoustics and the Institute of Sound and Communications Engineers