The D-0A Ship Horn operated by air pressure with two Trumpets is available white powdercoated or chrome plated, is IMO Certified for boats up to 20 m (65 feet) in length. The D-0A has been developed to maximize audibility.
| Name | Value |
| Housing material Horn | Cast Bronze and Turned Brass |
| Ingress protection class [IPxx] | 66 |
| Heated | No |
| Horn Method | Compressed Air Powered |
| Fundamental Frequency [Hz] | 322, 254 |
| Sound Pressure Level [dB(A) @ 1 Meter] | 133 |
| Air Consumption [liter per second @ bar] | 8,3 |
| Air Pressure minimum requirement [bar] | 344738 |
| Length [cm] / Width [cm] / Heigth [cm] | 54,81 / 29,48 / 18,49 |
| Weight [kg] | 4,08 |
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