SOS Micro Whistle™

57 reviews
Regular price$8.00
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Shipping calculated at checkout.

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*.

  • Dimensions: 8.5mm Diameter x 43mm Long   (~0.33" x 1.7")
  • 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)

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 57 Reviews
5 ★
96% 
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Filter Reviews:
DM
10/27/2023
DAN M.
United States United States

Small but mighty

For an item you barely notice is even there, this little whistle more than gets the job done.........

K
10/18/2023
Kathy
United States United States

Excellent

Just what I was looking for. Very loud, small and lightweight. I have it on a neck chain along with a small flashlight.

JR
10/11/2023
Jeff R.
United States United States

Piercing!

What a beautifully designed piece of kit! The whistle is small, light and LOUD! No excuse to not have one on your body when out in the woods.

A
10/02/2023
Anonymous
United States United States

Whistle

Great products great team!!!

JT
09/04/2023
JON T.
United States United States

SOS Micro Whistle - Small but very effective

I've carried the micro-whistle on my keychain for years and purchased a new one to slip into my cache belt because "two is one and one is none". I love this whistle. It is small but very effective. I've used the whistle on numerous occasions to call my beagle back while running around in the woods. By putting this whistle on your keychain, this whistle can easily be worked called EDC and is super accessible. This would be a great stocking stuffer for someone.


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