Advanced science and technology makes the Sonik Blast CMG the most efficient whistle in its class! Precise chamber calibration assures pure frequency performance; less effort, crisper sound. Flawless patented pealess whistle emits distinct louder pitch without a lot of effort. Cannot be overblown. Superior clear loud blast can be heard over long distances and intense ambient noise.

The Cushioned Mouth Grip provides additional comfort and is perfect for reliably holding the whistle in the mouth in wet conditions.

Unique twin-chamber pealess design with four sound resonators - over 120dB!

Every colour, every model. AusRef stocks them all.