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The CHAMPION SPORTS CSI401 is a heavyweight silver metal whistle sold in a dozen of 12 units. Built for producing clear, loud audible signals in crowded environments and events, the CSI401 features a built-in ring for attaching a lanyard, giving the user quick wrist or neck access during active use. The metal construction offers durability suited to frequent, demanding use across a wide range of signaling applications. Each unit is compact and straightforward to deploy, making this whistle a practical choice for coaches, referees, event staff, safety personnel, and activity directors who rely on consistent audible alerts.
The CSI401 is well suited for gymnasiums, athletic fields, aquatic facilities, school events, and crowd management scenarios where a reliable audible signal is essential. The built-in lanyard ring allows hands-free carry between uses, which is particularly useful in high-activity settings. The silver finish and heavyweight metal body give these whistles a professional appearance consistent with sporting and institutional use. The pack of 12 makes it practical to equip an entire team, staff, or department in a single order.
Designed as a general-purpose metal whistle compatible with standard lanyards and wrist straps used in athletic, recreational, and event staff applications.
No installation is required. Attach a lanyard through the built-in ring before use to secure the whistle to the wrist or neck. Inspect the ring and body for any deformation before each use session. Clean and dry the whistle after exposure to moisture to maintain optimal sound performance.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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