Why Are Semi-Truck Horns so Loud?

A distinctive feature of semi-trucks is their air horn, which produces a loud trumpet-like sound. Let’s take a closer look to find out why truck horns are so loud — and the purpose for using them.
Semi-trucks feature a trumpet-like air horn, which is very loud compared to horns in cars. Find out the reasons why truck horns are so loud.

Why Are Semi-Truck Horns so Loud?

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