Acme Thunderer - Medium - #559 WhistleTemporarily backordered with the manufacturer. Please check back again soon. No risk to you. Your 100% Satisfaction is Guaranteed with our 30 Day "No Questions" Money Back Guarantee. Hassle-free returns & exchanges. 
Customer ReviewsReview Summary
4.7
28 Reviews
5
85.71% (24)
4
3.57% (1)
3
7.14% (2)
2
3.57% (1)
1
0% (0)
96.43% Recommend this product (27 of 28 responses)
By T F.
Nashville, TN
Exactly what I wanted
April 10, 2025
A good whistle
By Diane
Kansas
Awesome whistle!
December 7, 2022
I've been through a lot of whistles and this one is holding up!
By DS
Oregon
easy & just right
May 5, 2022
After trying other manufacturers and also a lager size, this medium Thunderer is just right. The pitch is perfect for my dog, and penetrates varying terrane. Air volume necessary to activate is easier than the large model.
Pros
By Darrell C.
East Central Illinois
Good whistle
June 3, 2021
I last a whistle like this a year ago. I like this model because the tone is a bit lower. The size also makes it loud!
By Roland
Prescott, Az
Quality As Expected
March 30, 2021
The quality of the whistle is very good and as advertised. If it's good enough for Steve and his dogs, it's certainly good enough for me and my family pet.
Pros
Cons
By Bill H.
Luenburg Ma.
My wife loves it!!
December 4, 2020
My wonderful wife is joining me field training our dog. She was surprised and pleased to get the whistle and lanyard.
By Charles L.
IL
Review for Acme Thunderer - Medium - #559 Whistle
October 21, 2018
Love it please send me two more!!!
By Charles L.
IL
Review for Acme Thunderer - Medium - #559 Whistle
October 21, 2018
By Thomas B.
NY
Review for Acme Thunderer - Medium - #559 Whistle
October 18, 2018
Loud enough works great.
By Stephen L.
MT
Review for Acme Thunderer - Medium - #559 Whistle
October 11, 2018
Works great. Wasn't sure whether to get the small or medium size. I got medium and it is just right.
By Paul R.
ME
Review for Acme Thunderer - Medium - #559 Whistle
October 11, 2018
By Tim R.
MN
Review for Acme Thunderer - Medium - #559 Whistle
September 14, 2016
I prefer the small thunderer. I like the tone better.
By David C.
MI
Review for Acme Thunderer - Medium - #559 Whistle
May 24, 2016
Great whistle. Lower tone than my Roy Gonia whistle. This is exactly what I was looking for.
By Tom N.
NJ
Review for Acme Thunderer - Medium - #559 Whistle
March 17, 2016
Great whistle, but probably too loud for training pups. Will work great in the field, but my pup is 13 weeks so one a little quieter would have been more appropriate. That's my bad, though, not the whistles. Will definitely work great in the field; loud, and various blasts (single, double, and trill) are distinct.
By Joe P.
OK
Review for Acme Thunderer - Medium - #559 Whistle
October 23, 2015
Well worth the money.
By Paul
Review for Acme Thunderer - Medium - #559 Whistle
September 14, 2015
Great whistle. Nice and loud.
By Wendi D.
NV
Review for Acme Thunderer - Medium - #559 Whistle
April 20, 2015
These are great.
By Edward D.
FL
Review for Acme Thunderer - Medium - #559 Whistle
March 7, 2015
Loud, clear and durable. Good purchase.
By Joe M.
TX
Review for Acme Thunderer - Medium - #559 Whistle
December 26, 2014
Great product. Easy to blow, perfect sound and pitch. Never knew there was such a big difference in whistles. I will never buy any whistle but Acme.
By Jennifer S.
GA
Review for Acme Thunderer - Medium - #559 Whistle
December 19, 2014
This is more of a referee sounding whistle. Maybe would work better for competition dogs.
By Jason S.
IL
Review for Acme Thunderer - Medium - #559 Whistle
November 30, 2014
I use this whistle to officiate wrestling.Great whistle!
By Eugene D.
MI
Review for Acme Thunderer - Medium - #559 Whistle
November 25, 2014
Good loud whistle.
By Paula W.
KS
Review for Acme Thunderer - Medium - #559 Whistle
September 2, 2014
Great product and delivery was fast :)
By GB
NC
Review for Acme Thunderer - Medium - #559 Whistle
February 17, 2014
Its a mouthfull...literally. Thought my old one that this whistle replaces was a medium, but I guess it was a small. My bad, but this whistle does what it's supposed to do and gets plenty loud.
By Peter W.
Review for Acme Thunderer - Medium - #559 Whistle
January 4, 2014
It is LOUD!
By Peggy M.
WI
Review for Acme Thunderer - Medium - #559 Whistle
December 3, 2013
Takes me back to days of coaching. Crisp sound, good carry.
By Gary K.
OR
Review for Acme Thunderer - Medium - #559 Whistle
November 18, 2013
These whistles are the best out there. All the trainers that I know use them. You will want to buy two. One for the glovebox, just incase you lose one. Happy hunting.
By Ralph Z.
IL
Review for Acme Thunderer - Medium - #559 Whistle
October 31, 2013
This whistle is loud and doesn't take that much wind to blow.
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