It is no coincidence that DNH speakers are often used in places where the presence of a sound system is not necessarily expected. For the last 70 years, the Norwegian DNH has been the producer of loudspeaker products for use in “difficult” locations. Just think of (traffic) tunnels, metro networks, ships, prisons, and environments that are literally explosive, such as mines, offshore drilling platforms, and defence locations.

The DNH selection also includes products for use in clean rooms, swimming pools, sauna, EN-54-24 certified loudspeaker alarm systems, energy stations, oil and gas extraction facilities that can also be used in “typical” settings such as places of worship, stadiums, restaurants, etc..
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