Double-Blast Whistle (over 130dB)

2026.02.28 Decibel meter tested, maximum 132dB

This professional whistle, specifically designed for competitions, is integrally formed using high-precision 3D printing technology, featuring an innovative dual-color, dual-chamber structural design that balances aesthetic appeal and sound performance. The dual chambers work in synergy to produce sound, breaking the volume limitations of traditional single whistles, with a peak volume of up to 100dB and extremely strong penetrating power. In noisy stadiums, large outdoor events, and other environments, the sound remains clear, distinguishable, and travels long distances, fully meeting the stringent usage requirements for professional matches and refereeing.

Its trendy and eye-catching dual-color spliced appearance not only facilitates quick identification but also enhances the overall texture. 3D printing technology ensures a precise and uniform chamber structure, providing stable sound without distortion. The material is lightweight, durable, and fits comfortably in the hand, allowing for long periods of use without burden. It has no complex structure, is easy to clean and maintain, and is drop-resistant and wear-resistant. Suitable for various competitive sports such as basketball, soccer, and track and field, it is an efficient and practical piece of equipment for professional referees and event organizers.