The Fox 40 Sonik Blast is the most efficient whistle of its class. The Sonik Blast has an intense, clear sound that can cut through noise over long distances. These lifeguard whistles are made with no moving parts to freeze, jam or deteriorate.  This whistle is preferred by beach and open water rescue lifeguards.

• 2-chamber, pealess, with mouth guard design
• The thermoplastic material of the Cushioned Mouth Grip provides superior grip and protection for your teeth
• Distinct, loud and crisp sound
• No moving parts to freeze, jam or deteriorate
• Flawless, consistent and reliable
• The harder you blow, the louder the sound
• Easy to blow and cannot be overblown
• It will be heard above ambient noise, the roar of engines, breaking waves and thundering gale-force winds
• The chambers are designed to self-clear when submerged in water
• Sound Power: 120dB