HyperWhistle World’s loudest whistle
Make Sure you are Heard with the HyperWhistle World’s loudest whistle!
The HyperWhistle is the world’s loudest whistle and ensures that the blower is heard with an ear piercing 142dB of sound for over two miles, which is 8x the range of conventional sports whistles. Ideal for Referees, Coaches, Instructors, Teachers, Life Guards, Self-Defense, Survival and emergency situations, the HyperWhistle is guaranteed to get the attention of those nearby. The HyperWhistle works in all weather conditions including underwater and comes with included hearing protectors an easy clip neck lanyard.
