Preferred Whistle of Volleyball Officials
- The Fox 40® Pearl® is perfect for those who don’t need a loud piercing shriek, yet want a blast above man-made and environmental noise.
- Different lower tone is ideal for multi-games in the same site or gym.
- The harder you blow, the louder the sound.
- Easy to blow and cannot be overblown
- Will be heard above ambient noise and loud crowds.