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DHR H400

DHR H400

Air horn

  • 130dB, 1/3 octave frequency range
  • Approved for sea-going vessels up to 75m
  • BRASS - RAL9016 & 3000
  • Working pressure between 7 - 9 bar

The H400 Maritone is the first air horn developed by DHR which has been approved according the international rules of Colreg ‘72. An excellent whistle for seagoing vessels with a maximum length of 75 meters. It has an audible range of more than 1 nautical mile. The combination of high quality materials and precision manufacturing, provides superior durability for a lifetime operation. With the introduction of the attractive H400 Maritone, DHR positions itself as a pioneer in advanced maritime signalling solutions.

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