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DNH are one of the world’s leading manufacturers of industrial, commercial and professional loudspeakers.
Formed in 1946, this Norwegian company is globally respected for the design, quality and breadth of its range of loudspeakers for all manner of installation environments.
Whether it is an offshore oil platform in the North Sea, a railway station platform,
a semi- conductor laboratory or a leisure centre swimming pool, DNH will be able to recommend a loudspeaker that will be suitable for that environment.
DNH manufactures the world’s widest range of hazardous area approved loudspeakers, for both internal and external use, and which are certified to global standards such as
ATEX, IECEx, GOST and INMETRO amongst others.
A range of marine loudspeakers is also manufactured, with many being Bureau Veritas approved. Some DNH products also are used by the military and have NATO stock numbers.
In addition to the standard range of public address loudspeakers for ceiling or wall installation, DNH also manufactures a number of speciality products including clean room loudspeakers, voice alarm loudspeakers to EN 54-24 standards and even an underwater loudspeaker.
All DNH loudspeakers are manufactured in an ISO 9001 certified environment.
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|Keison International Ltd. trading as:
Keison Products, VoIPon Solutions & 4Gon