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Acme 636 Whistle

4.6 4.6 out of 5 stars 1,776 ratings
$7.65
Black
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Acme 636 Whistle

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Customer reviews

4.6 out of 5 stars
4.6 out of 5
1,776 global ratings

Customers say

Customers like the quality, size and portability of the whistle. They mention it's well made, compact and lightweight. Some appreciate the color. That said, opinions are mixed on volume, appearance and ease of blowing.

AI-generated from the text of customer reviews

90 customers mention86 positive4 negative

Customers are satisfied with the quality of the product. They mention that it's a decent little plastic whistle, well made, and loud enough for many situations. Some say that the whistle works well and has saved their lives. Overall, most are happy with the product's quality and functionality.

"...I like how small and compact it is and best of all, it looks really good, with the green colour...." Read more

"Very loud whistle and easy to find when needed being orange. Does the job." Read more

"...Works well in the water (SOLAS approved).The bad: Moderate effort to reach full volume reduces it suitability as an emergency whistle...." Read more

"...This whistle saved our lives, and no one was laughing at it afterwards!..." Read more

85 customers mention75 positive10 negative

Customers like the size of the whistle. For example, they mention it's compact, slim, and perfect for a pocket or keychain. Some say it'll attach to their life jacket.

"...I like how small and compact it is and best of all, it looks really good, with the green colour...." Read more

"The good: Moderately loud, lightweight, compact...." Read more

"...I think the Acme 636 Safety Whistle is best based on it's small shape, loud sound, and price...." Read more

"...Because it's basically a small rectangle and incredibly compact, climbers attach them to gear for use as a safety whistle...." Read more

27 customers mention19 positive8 negative

Customers like the value of the whistle. They say it's well worth the price for such a high quality product. Some say it is a bargain insurance, a perfect buy, and an extremely valuable piece of gear.

"...636 Safety Whistle is best based on it's small shape, loud sound, and price...." Read more

"...I like the price and the quality and would repurchase these whistles." Read more

"...the whistle is very small and made of plastic, in my opinion, it is overpriced...." Read more

"...I was looking for a small, inexpensive, but extremely loud whistle for a safety kit I was putting together...." Read more

26 customers mention26 positive0 negative

Customers find the whistle portable, lightweight, and easy to carry. They say it's loud enough to do the job and doesn't make their keys too bulky. Some say the flat design fits better in their pocket than specialty marine whistles. Overall, customers are satisfied with the portability of the product.

"...A polite bell just doesn't do it. This whistle is light enough to carry in my lips and its loud enough to do the job of alerting pedestrians and..." Read more

"The good: Moderately loud, lightweight, compact...." Read more

"...It is lightweight. Which is mixed...." Read more

"...other louder whistles out there, but few that are this compact and light weight." Read more

17 customers mention17 positive0 negative

Customers find the color of the emergency whistle to be bright and colorful. They also mention that the neon colors make it easy to find. Customers also mention the black color doesn't draw attention.

"...a small light also lives on my keys and this whistle makes it easy to find in the dark...." Read more

"Thin, bright color, quality made!..." Read more

"...There are other colors to choose from too. There are other brands also if you can't find the color you want." Read more

"...I also like the bright pink color. Makes it easy to find if you happen to drop it." Read more

194 customers mention122 positive72 negative

Customers are mixed about the volume of the whistle. Some mention that it's very loud, with a pitch that is easier heard at a distance. They also say it has a high pitched distinctive trill that makes it easy to identify as a whistle. However, other customers say that it makes their ears ring and that the three tones are of different volumes.

"...As far as functionality of the whistle goes, it is very loud. I did read through the reviews of people who said it wasn't loud...." Read more

"Very loud whistle and easy to find when needed being orange. Does the job." Read more

"...same force I did with the other whistles and most of the sound was just a rush of air rather than a whistling sound...." Read more

"...This whistle is light enough to carry in my lips and its loud enough to do the job of alerting pedestrians and drivers to stop their wandering ways...." Read more

13 customers mention8 positive5 negative

Customers are mixed about the appearance of the product. Some mention it has a flat design and fits better in their pocket than those, while others say it's poorly designed and hardly emits any volume when blown.

"...It is well made, heavy duty plastic in a flat design. Can't break it by sitting on it that is for sure. Every stepping on it won't harm it...." Read more

"...the whistle is very small and made of plastic, in my opinion, it is overpriced...." Read more

"...It's flat where the 635 has a forty five degree bend in it. It's not only flat, but smaller in width and length...." Read more

"...It is flat, and lightweight." Read more

13 customers mention7 positive6 negative

Customers are mixed about the ease of blowing. Some mention it's easy to blow, while others say that it takes more effort to blow than other whistles.

"This is part of my "every day carry". It's loud and it's easy to blow (important for me)...." Read more

"...rather small and rather loud, as it's supposed to be, but you have to blow pretty firm and strong to get the intended sound...." Read more

"...The sound and loudness is great and it is easy to blow. I like the bright easy to find color. Good quality." Read more

"...She loves it mostly because its pink. It does take more effort to blow than other whistles." Read more

Very good whistle if you need for safety.
5 Stars
Very good whistle if you need for safety.
I bought this product to hang in my key chain on my motorcycle. I like how small and compact it is and best of all, it looks really good, with the green colour. The photos I attach will show you how compact and small it is compared to a regular flash drive and iphone earphones.As far as functionality of the whistle goes, it is very loud. I did read through the reviews of people who said it wasn't loud. But I can assure you that this if blown right, it can be so loud that it will irritate your ears.Blowing this whistle reminds me of my kiddie days when I had a whistle and played with my friends. I don't know when I will use this but I just thought it will look cool on my motorcycle key chain.I liked it so much that I have added another one of these to my cart. I would definitely recommend this product to anyone looking for a very loud and good looking whistle.
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Top reviews from the United States

Kanchan J
5.0 out of 5 stars Very good whistle if you need for safety.
Reviewed in the United States on March 13, 2016
Color: GreenVerified Purchase
I bought this product to hang in my key chain on my motorcycle. I like how small and compact it is and best of all, it looks really good, with the green colour. The photos I attach will show you how compact and small it is compared to a regular flash drive and iphone earphones.

As far as functionality of the whistle goes, it is very loud. I did read through the reviews of people who said it wasn't loud. But I can assure you that this if blown right, it can be so loud that it will irritate your ears.

Blowing this whistle reminds me of my kiddie days when I had a whistle and played with my friends. I don't know when I will use this but I just thought it will look cool on my motorcycle key chain.

I liked it so much that I have added another one of these to my cart. I would definitely recommend this product to anyone looking for a very loud and good looking whistle.
Customer image
Kanchan J
5.0 out of 5 stars Very good whistle if you need for safety.
Reviewed in the United States on March 13, 2016
I bought this product to hang in my key chain on my motorcycle. I like how small and compact it is and best of all, it looks really good, with the green colour. The photos I attach will show you how compact and small it is compared to a regular flash drive and iphone earphones.

As far as functionality of the whistle goes, it is very loud. I did read through the reviews of people who said it wasn't loud. But I can assure you that this if blown right, it can be so loud that it will irritate your ears.

Blowing this whistle reminds me of my kiddie days when I had a whistle and played with my friends. I don't know when I will use this but I just thought it will look cool on my motorcycle key chain.

I liked it so much that I have added another one of these to my cart. I would definitely recommend this product to anyone looking for a very loud and good looking whistle.
Images in this review
Customer image Customer image Customer image Customer image
Customer imageCustomer imageCustomer imageCustomer image
10 people found this helpful
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Jose C Yzquierdo
5.0 out of 5 stars Loud whistle
Reviewed in the United States on March 31, 2023
Color: Day Glow OrangeVerified Purchase
Very loud whistle and easy to find when needed being orange. Does the job.
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Tim W.
5.0 out of 5 stars loud sturdy tiny whistle
Reviewed in the United States on May 26, 2015
Color: BlackVerified Purchase
I've owned many whistles over the years. I commute by bike and a whistle is the only practical way to be heard inside a car or through headphones. A polite bell just doesn't do it. This whistle is light enough to carry in my lips and its loud enough to do the job of alerting pedestrians and drivers to stop their wandering ways. It also works to repel chasing dogs and aggressive panhandlers. Its not the loudest whistle I've ever used but it's the loudest compact whistle I've used. I also keep a glow in the dark one on my keys and it lives there unobtrusively. As one might expect of a keychain, it only sees a few minutes of light a day, yet still manages to glow softly all night. This is great as a small light also lives on my keys and this whistle makes it easy to find in the dark. I've used my whistle several times to diffuse potential muggings by looking at people suspiciously following me straight in the eye and whistling my fool head off. Let me tell you it attracts attention which is exactly what that kind of person doesn't want. This is totally not going to work if you're clueless or wait until they're right up on you and can silence you permanently.
4 people found this helpful
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Clang
4.0 out of 5 stars Compact whistle good as a signaling whistle for medium ranges and/or urban use.
Reviewed in the United States on March 29, 2016
Color: BlackVerified Purchase
The good: Moderately loud, lightweight, compact. It has a high pitched distinctive trill that makes it easy to identify as a whistle and cuts through background noise. Works well in the water (SOLAS approved).

The bad: Moderate effort to reach full volume reduces it suitability as an emergency whistle. The ACR WW-3 and ACME 660 will match its output with less effort. Fairly high pitch reduces its range in wooded areas.

Overall: Good signaling whistle for medium ranges. Adequate as a marine or urban emergency whistle. There are
2 people found this helpful
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Willie V. Hughes
5.0 out of 5 stars My favorite whistle (of three I tested)
Reviewed in the United States on April 13, 2013
Color: BlackVerified Purchase
The media could not be loaded.
I bought and compared the following whistles:

1. Fox 40 Sonik Blast CMG Whistle (Red)
2. Acme 636 Safety Whistle (Black)
3. UST Marine JetScream Whistle (Yellow)

I compared the three of them in the video (in that order). I think the Acme 636 Safety Whistle is best based on it's small shape, loud sound, and price. I think the Fox 40 Sonik Blast CMG Whistle is a close second because the sound is really similar to that put out by the Acme, and I like the soft rubber for gripping with teeth/lips. The UST Marine JetScream Whistle was disappointing. I blew with the same force I did with the other whistles and most of the sound was just a rush of air rather than a whistling sound.

Watch and listen to the video and see what you think. Happy whistling.
221 people found this helpful
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Heba
5.0 out of 5 stars This Whistle Saved Our Lives
Reviewed in the United States on August 26, 2017
Color: GreenVerified Purchase
When I bought this whistle, I imagined it would be nothing more than one of the many trinkets I own for emergency situations, but never use.

I brought this whistle with me on a family vacation the Philippines. Everyone poked fun at the whistle because I tend to be over prepared. But no one could foresee that this little whistle would be the one thing that actually saved our lives!

My family and I were on the island of Palawan and rented a private boat tour for the day. We were supposed to tour a few different islands in the area and be brought back to shore. About midway through our tour, in the middle of the ocean our boat was cut into by the massive waves (what our "captains" neglected to mention was that a Gale warning was in effect and boats were supposed to be out of the water hours prior) and in a matter of seconds our boat completely submerged. We grabbed everything we could and with our life jackets strapped on were floating in the middle of the ocean- no swimmable land in sight.

I went into survival mode and the first thing I did was blow with fierceness into this Acme whistle, weary that anyone would hear it but feeing as though it was our only hope.

Our boat had no method of communication, no walkies or dispatch. It also ran on a gasoline engine- we were drenched in gasoline as the 3-4ft waves thrashed around us.

After about 5 minutes of using this whistle a boat appeared in the distance. What we would find out later was that they were on their way to shore (also due to the intensity of the waves) and that they could not see us because of the height of the waves, but the only thing they could hear was the blowing of our whistle and the very tip of our boat before it sank completely.

This whistle saved our lives, and no one was laughing at it afterwards! I've had many family members and friends who have asked me for the link to purchase. I definitely recommend having this whistle with you if you're out on the water, it's truly a lifesaver.
42 people found this helpful
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Top reviews from other countries

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Luc Etamdoute
5.0 out of 5 stars Super
Reviewed in France on April 10, 2024
Color: Day Glow OrangeVerified Purchase
Petit, son puissant, ne craint pas l’eau.
Indispensable en randonnée, montagne, aventure
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kristian
5.0 out of 5 stars Great for signalling
Reviewed in Germany on March 18, 2024
Color: BlackVerified Purchase
Great for use as a signalling device.
I pair it with a little push button light, for audible and visual signalling.
Customer image
kristian
5.0 out of 5 stars Great for signalling
Reviewed in Germany on March 18, 2024
Great for use as a signalling device.
I pair it with a little push button light, for audible and visual signalling.
Images in this review
Customer image
Customer image
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Snipe
5.0 out of 5 stars 12 Euro um gehört zu werden, klingt viel rettet aber Leben.
Reviewed in Germany on January 30, 2024
Color: Day Glow OrangeVerified Purchase
Also ich hatte mir die Pfeife geholt als ich festgestellt habe, dass meine Pfeife an meiner Schwimmweste bei Wasserkontakt nicht mehr richtig funktionierte.

Diese Pfeife tut was sie soll, allerdings muss auch hier einmal das Wasser rausgeblasen werden damit man gehört wird. Das ist meistens mit einem Kräftigen pusten getan. Bei meiner alten Pfeife konnte ich pusten wie ich wollte... sie blieb unhörbar.

Fazit:
- Laut
- Robust.. naja sie ist aus Plastik, sollte aber alles aushalten außer beabsichtigte Gewaltanwendungen
- Preis ok, wenn man sich vorstellt das es nur etwas Plastik ist.. naja.. ganz schön teuer. Durch die Leistung, würde ich es weiterempfehlen.
4 people found this helpful
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Mr P Guest
5.0 out of 5 stars Great laud whistle
Reviewed in the United Kingdom on December 28, 2023
Color: Day Glow OrangeVerified Purchase
Great price for this little life-saving gem. Why does everything have to come with a useless peace of rubbish whistle 😡
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Jaume AS
5.0 out of 5 stars SALVAJE
Reviewed in Spain on August 25, 2023
Color: Day Glow OrangeVerified Purchase
CUANDO LO ABRES PARECE PEQUEÑO , OJO, TAPARSE LOS OIDOS PARA PROBARLO, EL SONIDO ES MUY FUERTE.
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