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📢 Blow the competition away with the Acme 636 – loud, tough, and always ready!
The Acme 636 Whistle is a professional-grade, pealess AIRFAST whistle delivering a powerful 122 dBA dual-frequency sound. Made from BPA-free, food-grade plastic, it’s shatterproof, bite-resistant, and weatherproof, ensuring reliable use in any environment. Lightweight and compact, this whistle is crafted in the UK by experts with over 150 years of experience, making it the go-to choice for referees, safety instructors, and outdoor professionals.















| ASIN | B00539DANM |
| Batteries included? | No |
| Best Sellers Rank | 178,363 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) 178 in Camping & Hiking Survival Whistles |
| Brand | ACME |
| Color | Day Glow Pink |
| Customer Reviews | 4.4 4.4 out of 5 stars (240) |
| Date First Available | 29 May 2011 |
| Department | Unisex |
| Guaranteed software updates until | unknown |
| Included components | Whistle |
| Is discontinued by manufacturer | No |
| Item model number | ACM636 |
| Manufacturer | J Hudson & Co (Whistles) Ltd |
| Material type | Plastic |
| Number of items | 1 |
| Product Dimensions | 6.99 x 1.27 x 15.24 cm; 4.54 g |
| Size | S |
| Team | acme whistles |
A**W
If you have the puff it will exceed expectations.
Ear splitting will quite literally blow your socks off, as loud as a 500 kilo ton Nuclear explosion. Basically does what it is supposed to.
A**N
Super loud and super slim.
This is a ridiculously loud whistle. I also really like that it's slim-line. I bought it to replace the Acme Tornado 2000 which was just taking up too much space in my first aid kit. This whistle is ear-poppingly loud just like the '2000, and shaves off a lot of the bulk. Would definitely recommend it for camping/trekking/survival/disaster kits. Nice bright colour too. Nothing bad to say about it.
R**E
Everybody should have one on their keys.
Having brought various editions of those mountain style metal tube whistles that produced an awful noise - this little gem is just what I wanted to keep on my keys in case of emergency when out walking. It's small, light and having given it a slight test blow - very loud.
A**T
Good
Works ok, gave it to my 3 year old granddaughter but mum took it away. So if she gets lost they will need to have a different strategy.
C**D
Nice and loud.
The package arrived in reasonable time. The whistle works a treat for warning pedestrians on my local cycle trail!
P**E
Ideal
This is exactly the product I was searching for. Sits flat against the rucksack strap ready for use in case of emergency.
C**N
Great whistle
Bought this to alert my deaf dog and it works. Really loud but you can regulate the volume with how you blow it so you don't deafen yourself and everybody nearby!
T**R
Useless whistle
A completely useless whistle that makes less noise than a toy one I have from a Christmas cracker. I saw recommendations for this whistle and have to wonder if I received a genuine whistle.
M**S
LOUD
I like the thinner whistles better. But this is very loud.
モ**モ
バックに付けるアクセサリーにぴったり!
可愛いサイズで、バックにつけています。
N**O
Excelente sonido
Ya tengo varios en distintos colores y suenan fuerte sin hacer esfuerzo. Totalmente recomendable.
D**R
Conforme à l'utilisation.
Bon rapport qualité-prix.
D**B
Tiny but loud!
Works better than expected.
Trustpilot
1 week ago
2 months ago