115 Decibels of high pitch shrill rises above ambient noise-can be heard up to a mile away
100% impervious to moisture - perfect for snowmobiling, wilderness & general outdoor activities
Pealess Design, No moving parts-nothing to obstruct sound, nothing to jam, break or freeze
First choice of; NFL, NCAA, NBA, CFL FIBA and FIFA
The whistle is designed to be heard above crowd noise, breaking waves & thundering gale-force winds

With the loudest, shrillest penetrating power, Fox 40's patented pealess design is the whistle of choice for professional and amateur sport federations worldwide. Fox 40 Whistles come in a variety of colors.