Fox 40 Pearl Sports and Safety Loud Marine Whistle, Blue (2 Pack) Review (2026)
Updated September 20, 2026 · Research-based review
Our verdict
A two-pack of Fox 40's Pearl safety whistle in blue, using the same pealess 2-chamber design as the single orange version but sold in a marine-marketed pair so two paddlers, or a paddler and a backup, are covered at once. Blue blends in with water and sky if dropped, and lanyards are not included.

A Fox 40 Pearl sports and safety marine whistle 2 Pack in blue, one for your PFD and one for a partner or dry bag.
Price range: See on Amazon
What we liked
- + 2 Pack lets you kit out two PFDs in one purchase
- + Marine-marketed Pearl whistle suits boating and paddling
- + Pealess design has nothing inside to rattle or jam
Trade-offs
- - Blue blends in with water and sky if it goes overboard
- - Pair each whistle with a lanyard for quick access
Who this whistle pack suits
This two-pack suits paddlers who want to outfit two people at once, such as a couple, a parent and child, or a paddler who wants a spare whistle stashed in a dry bag as backup to the one clipped on their PFD. Because it is marketed under Fox 40's sports and safety marine line, it targets boaters and paddlers specifically rather than only the coaching and officiating market some Fox 40 whistles are aimed at. Buying a pack instead of two single whistles is a straightforward way to equip a paddling partner without placing two separate orders, particularly useful for anyone building out safety gear for a first multi-person paddling trip.
Pealess 2-chamber design
Like the rest of Fox 40's Pearl lineup, this whistle uses a 2-chamber pealess design, meaning there is no internal ball that can jam, stick, or freeze the way older whistle designs can when wet or cold. This construction is well suited to paddling specifically because whistles clipped to a PFD get repeatedly splashed, dunked, and exposed to temperature swings, conditions that can disable a traditional pea-style whistle at the worst possible moment. The Pearl's tone is generally described as lower and softer than Fox 40's Classic model, which uses a 3-chamber design, though it remains loud enough to serve as a genuine emergency signal on the water.
Volume and marine use
Fox 40 rates the Pearl line at 90 decibels, a level built to carry over wind, waves, and engine or paddle noise from a meaningful distance, and the design is stated to be self-clearing when submerged so it keeps working immediately after going underwater. Being marketed specifically for marine and boating use signals it is built with paddlers, boaters, and water recreation in mind rather than purely for coaching or officiating on dry land, though the underlying whistle mechanism is shared across Fox 40's Pearl products regardless of marketing angle. Like other pealess Fox 40 whistles, it also cannot be overblown, so a hard emergency breath still produces a clean, controlled sound.
Color visibility tradeoff
Blue is a common choice for marine gear aesthetically, but it is also one of the harder colors to spot quickly if a whistle comes loose and ends up floating on the water or lying against a blue kayak deck, since it can visually blend into both water and sky rather than standing out. Paddlers who prioritize being able to find a dropped whistle fast may prefer Fox 40's orange or another high-visibility color instead, while those who like a color that matches typical marine gear or simply prefer blue will not lose any whistle performance by choosing this color over a brighter one.
What is and is not included
This listing includes two whistles but the product information does not mention lanyards or cords being included, so buyers should plan to add their own attachment cord, clip, or lanyard for each whistle to keep it permanently connected to a PFD rather than loose in a pocket. Given that a whistle provides no safety value if it cannot be found or reached in an emergency, budgeting for lanyards alongside this pack is a reasonable add-on rather than an optional extra. For two paddlers who already have lanyards or clips on hand, this pack offers a straightforward way to add a matched pair of reliable, pealess whistles to their gear.
Frequently asked questions
How many whistles come in this pack?
This listing includes two Fox 40 Pearl whistles in blue.
What decibel rating does this whistle have?
Fox 40 rates the Pearl line at 90 decibels, tuned for a lower, softer tone than the brand's Classic model.
Does the pack include lanyards?
No, lanyards are not mentioned in the listing, so most buyers add their own cord or clip to each whistle.
Is blue a good color choice for visibility?
Blue can blend in with water and sky if the whistle is dropped, so paddlers prioritizing quick visibility may prefer a brighter color like orange instead.
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