DHR H400 Series

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.