Professional Competition Referee Whistle - Toning A1P00 Shanpu Series
Ultra-responsive dual-tone design for clear, sharp signals in high-noise environments. Precision-engineered ABS polymer core with chrome-plated brass exterior for durability and corrosion resistance. Ergonomic grip with non-slip silicone coating ensures secure handling during intense matches. Includes integrated pea-less mechanism to prevent jamming in humid conditions. Ideal for soccer, basketball, and volleyball referees requiring instant audible commands. Meets FIFA/IAAF standards for pitch-perfect frequency (3.5–4.5 kHz). Exclusive bulk pricing for sports academies and tournament organizers. Ships globally with OEM customization options.