SOS Micro Whistle™

66 reviews
Regular price$8.00
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Worry Less Warranty - Satisfaction Guaranteed

Meet the SOS Micro Whistle, an all-aluminum whistle, designed to minimize size, maximize output, and function reliably under the most extreme conditions. Attach it, stash it, or wear it, but make sure you bring it on every adventure since this durable micro whistle is actually designed with a hidden life-saving capability *hint* it's in the name *hint*.

SPECS
  • Dimensions: 8.5mm Diameter x 43mm Long   (~0.33" x 1.7")
  • Tested to Exceed 115dB
  • All Aluminum Construction (No Plastic Here!)
  • Wide Range of Function
  • Starts Resonance at Low Flow (good for kids) and Can't Be Over-Blown (good for adults)
WHY WE MADE THIS

The story of design and development behind this little screamer makes it a must-have for every kit and keychain.

There was not an existing whistle on the market that could live up to Wazoo's stringent requirements. They were too bulky, not loud enough, had parts that would fail, or were insanely expensive because they were made from Titanium. In a months-long experiment of compressible fluid dynamics, we tried every tube diameter, chamber length, hole opening angle, and cut depth. Each variable was tied to the next and as a group, they controlled the pitch, volume, ease of use, and ability to "over-blow" and max out the whistle. This SOS Micro Whistle™ is the culmination of all that research. It is balanced on the razor's edge of usability, functionality, and compact size.

  • Free US Shipping Over $65
  • Worry Less Warranty
Customer Reviews
5.0 Based on 72 Reviews
5 ★
96% 
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Filter Reviews:
S
06/24/2025
Samuel
United States

I love it so much

It's good quality and I love their stuff

AM
05/22/2025
Austin M.
United States

Nice

Fits on my keys without being bulky, I use it to call my dog often but it's good to know I can signal with sound easily.

DG
04/01/2025
Dan G.
United States

It does what's is supposed to!

Loud little whistle... each of my kids have one for locating each other when we are out in the woods.

T
03/22/2025
Tim
United States

Awesome!!

Great little whisle!! Loud and light weight.

L
03/19/2025
Linda SVG verified by SHOP
United States

These are wonderfully small and loud. Great for dog training!


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