Adventure Medical Kits Fox 40 Rescue Howler Whistle

These Rescue Howler whistles are the same as the yellow Micro whistles except for the package label. They even have the same "Fox 40 Micro" imprint on them. Although they used to be different compare pictures of the two whistles where the lanyard is threaded through to attach they're the yellow Micro whistles, now.

And yes, they are EXTREMELY LOUD when blown properly. If given a half-hearted puff, the whistle produces a weak sound such as J. B. Turner complained about.

Personally, I think every child should be issued a whistle when on a hike or camping. These whistles appeared to be ideal. It is lightweight, and very shrill/loud when I blow it. What's not to like? The answer for me is the energy required to blow it. My small eight year old daughter seems to have a bit of a problem blowing it and getting the desired sound. It is much easier for her to produce the sound with the the fox40, or even a classic referee's whistle. It could also envision a problem if a badly injured adult is attempting to use it for signaling. For that reason I'm sticking with the fox 40 for my kids.

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The idea behind this product is a good one. But i found that you need to put quit a bit of brerath behind it to get the level descibed in discription. If you take into account that some one injured may not have the ability to put all that much air into blowing the whistle it's not a good thing. In an emergency situation when you realy need it you are out of luck. Just my opinion, never the less i believe a good emergency signaling whistle should take into account that possibility.

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I got these whistles for my emergency supply kits for home and auto, for me and family. I like the fact that they are pealess, that is, they don't have that little pea-sized ball of cork or plastic inside that makes the whistle work. In that sense, they are supremely reliable and will work as they should so long as the holes are not plugged or obstructed.

The noise they let out is attention-getting and positively ear-splitting. These are good attributes and exactly what you want in an emergency whistle. Also, they are well-made and thick-walled.

The issue I have with them is that I really had to blow hard too hard, in my opinion to get these to sound off the way they should. In some situations, say if you were injured or trapped in a structure after an earthquake, it may not be possible or desirable to really fill up your lungs and bear down on this thing. While recognizing that there is some relation between air pressure and volume it seems that there should also be a way of generating an effectively loud signal without maximum pulmonary effort. As a reference, I am a fit and athletic man in his early 40's and not a frail asthmatic.

So, I have to give these whistles excellent marks for quality and for a sound that you could probably hear for miles. I give them fewer stars, however, as some in need of a rescue would not necessarily have the capacity to really give their lungs a workout on this whistle. I'm not just considering what I would be able to do with this whistle, you see, I am also considering whether my wife and child would be able to use it.

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You need to blow pretty hard to get these whistles to sound properly. If you do, they're really loud and shrill. If you don't, they sound pretty pitiful. As other reviewers have pointed out, children or injured adults may have difficulty blowing hard enough, so make sure to test these out once you get them.