Acme Thunderer 60.5 Whistle

The world’s first official sports whistle, Acme's 60.5 Thunderer has been trusted by sports officiators and referees since 1884. It continues to feature in major sporting events around the globe, recognized for its unmistakable sound and enduring reliability.

A small solid brass pea whistle, the 60.5 has a high-pitched tone with a bold, commanding call—so you can signal clearly and confidently.

Want to hear the 60.5 in action? Visit our video on the second slide. Or, click play here. (Warning: It's loud!)

Materials:  polished brass, cork pea

Made by:  Acme Whistles

Made in:  England

Specifications:  approx. 1.8" long

Further Reading:  With roots in Birmingham, England since 1870, Acme Whistles has set the standard for enduring quality and expert craftsmanship. Renowned for their reliability and distinct sound, each whistle is forged from solid metal and hand-finished by skilled artisans—reflecting a heritage of excellence passed down over five generations. 

For more English-made whistles and signaling tools, explore our full Acme collection.