In this review we feature the loudest whistles in the world that can produce extremely loud and long range sound. These whistles can produce some of the loudest sound you’ll ever hear that can be heard miles away – they are great for survival and long range uses. Furthermore, these whistles are designed to be durable and work in all-weather environments (including underwater) which is really impressive. They are designed to be multiple times louder than ordinary whistles and will definitely alert anyone unlucky enough to be standing near you. Be sure to check out our top picks for the loudest whistles in the world below!
Compare the Loudest Whistles
| Picture | Whistle | Loudness | Range |
 | HyperWhistle | 142 dB | 2 miles |
 | Nitecore TC4 | 120 dB | 1 mile |
 | Molten Blazza | 100 dB | 0.5 mile |
 | Fox 40 Sonik Blast | 120 dB | 1 mile |
 | Gladiour Sports | 110 dB | 0.5 mile |
 | Acme Thunderer | 60.5 dB | 0.3 mile |
 | Storm Whistle | 120 dB | 1 mile |
 | Molten Valkeen | 105 dB | 0.5 mile |
 | NIYET Whistle | 150 dB | 2 miles |
 | TACRAY Titanium Whistle | 120 dB | 1 mile |
View the Loudest Whistles below
#1 Best Overall: HyperWhistle Long Range Loudest Whistle
Loudness: 142 decibels
Range: Up to 2 miles
What we liked: Probably the loudest whistle in the world
What we don’t: Slightly bulky, requires a lot of air
The HyperWhistle is one of the loudest whistles in the world with an incredible 142dB of loudness. It has a range of 8x that of a normal sports whistle and can be heard even as far as 2 miles away. The whistle comes with re-usable hearing protectors and an easy clip neck lanyard for easy wearing. This whistle can also be used for boating, sporting events, camping and hiking in all-weather conditions.
We like the fact that this whistle works in all-weather environments and can even be used underwater. It has an anti-microbial composite and a unique radial tri-frequency design for long term use without any degradation.
This is probably one of the loudest whistles we have ever come across, and you’ll need to cover your ears when you blow this whistle. The volume gets so loud that you can even hear it from up to two miles away, or up to a mile away if there is obstructing weather conditions. They are great for the mountain ranges and for folks who need to grab your attention in wide open spaces.
#2 Best Value: Nitecore TC4 Loudest Whistle
Loudness: 120 decibels
Range: Up to a mile (estimated)
What we liked: Constructed from titanium alloy
What we don’t: No lanyard connector
The Nitecore TC4s are some of the loudest whistles that have a maximum sound output of 120 decibels. These whistles are constructed from polished titanium alloy for durability and are corrosion resistant with enhanced durability. The whistle features a single chambered design which emits a high-pitched frequency that can be heard from up to two miles away, and are great for outdoor and hiking use. These are some of the loudest whistles you can find that deliver good value for money.
When we first tested out the Nitecore TC4 whistle, we were surprised at how loud this whistle can go considering how small the whistle actually is. It has a size that looks smaller than a French fry, but it delivers one of the loudest high-pitch sounds that we could hear. At 120 decibels, this whistle is second only to the HyperWhistle in terms of absolute volume output.
This whistle is very durable due to its titanium alloy construction and single chambered design. It can take a lot of pressure if you blow hard into the whistle, and is loud enough for outdoor and hiking use.
#3 Best for Sports: Molten Blazza Loudest Whistle
Loudness: 100 decibels (estimated)
Range: 0.5 miles
What we liked: Great for basketball courts, referees
What we don’t: Slightly pricey whistle
If you are looking for one of the loudest whistles for basketball and volleyball matches, go for the Molten Blazza whistle. This whistle is designed to provide a clear-cut, high-pitched tone with very loud sound performance. It is noticeably louder than the Fox 40 whistle and the sound is much more noticeable from afar. This whistle is intended for use in indoor settings such as basketball courts and indoor sports competitions.
The Molten Blazza whistle features a hybrid structure that consists of a titanium frame with a soft plastic mouthpiece for a softer resilience surface with better durability. The whistle produces a thick, clear-cut high-pitched tone that is easily noticeable and will instantly grab everyone’s attention during the game. They are ideal whistles for professional referees.
#4 Smallest Whistle: Fox 40 Sonik Blast Loudest Whistle
Loudness: 120 decibels
Range: Up to a mile
What we liked: Made from ABS plastic, pealess design
What we don’t: Whistle cannot be overblown
The Fox 40 Sonik Blast is one of the loudest whistles with a small and compact design. It can produce a massive 120 dB of high-pitch sound that can be heard from over a mile away. It is an extremely loud speaker that punches through background noises and can be heard from long distances away. This whistle is 100% constructed of high-impact ABS plastic material and are impervious to moisture and water.
This is truly one of the loudest whistles produced by Fox 40 and is extremely easy to blow. The whistle cannot be overblown and emits a loud sound that exceeds over 120 decibels. It’s great for crowd control or for sports games where you can be heard through the crowd and the noise. We also like how comfortable the whistle is – it has a pealess design with no moving parts to obstruct sound. It is ideal for those who need to hold the whistle in their mouth for extended periods of time without any fatigue.
It’s ideal for large crowd areas, airport runways and outdoor activities where you need a loud signalling device, and is a good substitute for a portable megaphone. We would advise against blowing into this whistle at full force in an enclosed space as the sound can be deafeningly loud.
#5 Best Waterproof: Gladiour Sports Loudest Whistle
Loudness: 110 decibels
Range: Up to 0.5 miles
What we liked: Comfortable rubber mouth piece
What we don’t: Not as loud as other high-pitched whistles
If you are looking for a waterproof outdoor whistle that gets extremely loud, go for the Gladiour Sports whistle. The whistle comes with a lanyard with a double loop key ring, and includes a comfortable rubber mouth piece which allows you to keep the whistle in your mouth without any fatigue. There is also no ball inside the whistle and it does not rattle when attached to a lanyard – it is also waterproof and suitable for outdoor water activities.
We really liked how loud this whistle can go – it can go very loud without taking in a lot of air, and is easy to blow. You can also increase the loudness by blowing harder into the whistle and it will produce an extremely loud high-pitched sound that can be heard from a mile away. The volume produced by this whistle is approximately 110dB.
It’s designed for referees, coaches, lifeguard and outdoor hiking purposes where you need to quickly draw attention of large crowds. The whistle is very portable and waterproof, and also comes with lanyard for safekeeping.
#6 Best Budget: Acme Thunderer Loudest Whistle
Loudness: 60.5 decibels
Range: 0.3 miles
What we liked: Easy to use, portable
What we don’t: Not as loud as other whistles
The Acme Thunderer is one of the loudest whistles that delivers extremely loud volume with low air volume. The whistle is designed for an easy blow rate and produces a very high volume sound. The sound from the whistle is high-pitched and very loud, and is great for indoor sports and stadium referee purposes. The entire whistle is made of metal alloy and is very durable – you can keep this whistle for years and it will sound just as good a few years down the road.
The Acme Thunderer works very well for lifeguards, officials, referees and coaches. The whistle is very loud and can produce enough sound to be heard up to a mile away. The only downside to this whistle is that it comes with a built-in pea – although this makes the sound travel further and more pronounced, it means that this whistle is not waterproof. That being said, we really like the overall design and durability of this whistle and is suitable for long term use.
If you are looking for one of the loudest whistles that is loud, clear and easily heard, go for the Acme Thunderer whistle.
#7 Best Survival: Storm Loudest Whistle
Loudness: 120 decibels
Range: Up to 1 mile
What we liked: Works underwater and good for water sports
What we don’t: Made from plastic material
The Storm whistle is one of the loudest whistles you can find that comes as a pack of 3 all-weather storm whistles and 3 koala quick release lanyards. This whistle is one of the loudest whistles in the world with a decibel volume of 120 decibels. This whistle can be heard over a quarter of a mile or up to a mile through clear weather. We also like the fact that this whistle can be heard underwater, making them great for lifeguard activities.
This whistle has a decibel reading between 118 and 120 dB which is very loud. This makes the Storm whistle twice as loud as any other whistle, and is designed to grab the attention of everyone when blown. This whistle can alert people with long range sound is great for referee or outdoor activities where you need to project sound over longer distances. The sound on the Storm whistle is easily recognizable because of the distinctive sound the pea provides.
We liked the fact that the Storm whistle works underwater and is great for scuba diving and boating. It can be heard over 50 feet underwater which is a really good range. You can also use this whistle for outdoor hiking, hunting and outdoor survival.
#8 Best for Referees: Molten Valkeen Loudest Whistle
Loudness: 105 decibels
Range: 0.5 miles
What we liked: Clear-cut and high-pitched tone
What we don’t: Cannot be heard over a mile distance
The Molten Valkeen is one of the loudest whistles designed for referees for soccer and football coaches. This whistle has a clear-cut, high-pitched tone that can cut through noise and be heard over long distances. It also comes with a flip grip mechanism which allows access while on the move, and is intended for sports and outdoor settings. It’s a really good whistle if you need to be on the move constantly and is easy to grip.
The Valkeen whistle is great for referees who need them for soccer matches and outdoor sports events. It is much louder than the Fox 40 whistle and can produce a volume so loud that it can be heard across the entire stadium when you blow into it. The good thing about this whistle is that it does not need a lot of air to produce loud sound. It’s a really effective whistle to get people’s attention with a loud high-pitched sound.
Finally, we also liked the flip grip which allows the whistle to sit snugly in between 2 fingers. The grip comes in 3 different sizes and the smallest one fits easily into your hand. The whistle also includes a neck lanyard for easy portability.
#9 Best for Hiking: NIYET Outdoor Loudest Whistle
Loudness: 150 decibels
Range: Up to 2 miles
What we liked: Extremely loud, dual chamber design
What we don’t: Requires a lot of air pressure for louder sound
The NIYET is one of the loudest whistles you can find that produces an alarming high-pitched sound. This safety whistle is developed by Niyet and can produce a high-pitch volume of up to 150 dB, enabling it to be heard up to a mile away. It has the ability to produce a far-reaching sound and alert everyone around you almost immediately. Furthermore, this whistle comes with a lanyard and is designed for secure safekeeping.
The look and feel of this whistle makes it feel like a very premium product. It sounds extremely loud when blown into – even with low air pressure. It’s a great whistle for referees and outdoor activities when you need to be heard over long ranges. The whistle itself has a tough and durable stainless steel construction, making it resistant to corrosion and water.
Finally, the Niyet whistle has a sleek and unique design with an aesthetic and professional appearance. It also has a dual chamber design to produce a high-pitch sound that can penetrate through noise and sound. The whistle is highly versatile and is suitable for hiking, camping, hunting or for outdoor skiing.
#10 Best Design: TACRAY Titanium Loudest Whistle
Loudness: 120 decibels
Range: Up to 1 mile
What we liked: Titanium alloy design, durable
What we don’t: Slightly pricey whistle
The TACRAY is one of the loudest whistles we have tested that can produce up to 120 decibels of loud volume. The whistle is made from titanium, and is resistant to corrosion and water. We like that the whistle is lightweight and durable, and suitable for a variety of outdoor sports activities such as hiking, camping and outdoor skiing. The whistle also features a dual chamber design that delivers a really high-pitched sound when blown into, and it needs relatively little air to produce a loud sound.
We really liked the fact that you can hear this whistle from up to a mile away with its 120 decibels of volume. The whistle’s high-pitched sound cuts through noise and background sounds, allowing it to be heard almost instantly by everyone nearby. The whistle is also easy to carry and attach onto yoru keychain, necklace or backpack, and is great for everyday use.
You can also attach a lanyard to this whistle for easy portability and safekeeping. It can also be attached to a keychain or to your backpack. If you are looking for one of the loudest whistles with a 120 decibel volume output, be sure to check out the TACRAY whistle.