Size Guide :
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Description
xAs the worldwide leader in whistle technology, Fox 40 set out to develop a new whistle for the ever-changing demands in stadium and safety arenas worldwide. We looked at our bestselling whistles; the Fox 40® Classic® and the Fox 40 Sonik Blast®. The dependable piercing ultra high frequencies of the Classic’s upper chambers penetrate crowd and background noise in any situation. The lower chamber of the Sonik Blast generates a powerful and penetrating lower frequency to carry over longer distances. Fuzing these two designs, along with the patented Fox 40 CMG® comfort mouthgrip, finalized the whistle with a perfect sound and feel, creating optimal sound power.
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