DNH A/S Den Norske Høyttalerfabrikk

Norwegian loudspeakers and horns for industrial and commercial sites, including explosion-proof and EN 54-24 fire alarm models

Kragerø, NorwayFounded 1946dnh.no Website technologies

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New on EvolcAdded 2026-10-28

About DNH A/S Den Norske Høyttalerfabrikk

DNH A/S makes loudspeakers and horns for industrial and commercial audio applications. The range covers horn loudspeakers, explosion-proof models for hazardous areas, projectors, cabinets, ceiling and column speakers, clean room speakers, junction boxes and an underwater loudspeaker.

Products are designed for applications such as factory alarms, naval vessels, railways, airports, sports arenas and clean-room production. The range includes EN 54-24 certified loudspeakers for fire detection and alarm systems and an EU Marine Equipment Directive certified range. The website states that between 85 and 90% of turnover is exported.

DNH A/S was founded on 1 March 1946 and moved to Kragerø, where it has its head office, in 1947–48. Sales subsidiaries were established in Uckfield, England (1983), Hamburg, Germany (1987), Milton Keynes, England (1994) and Philadelphia, USA (opened 2007). The company has 80 employees, and all products are designed in Norway. Speaker Holding A/S, which is owned by the Harald Edwardsen family, holds 100% of the shares.

Product: Horn, explosion-proof, projector, cabinet, ceiling, column, clean room and marine-certified loudspeakers plus junction boxes and accessories

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