- Item Number: RA0070-K
- Country of Origin: Japan
DOLFIN F: Referee Whistle for FOOTBALL, SOCCER
- Best for Smaller & Quieter Audience, Standard Loudness (Easy to Blow)
- Tuned for Open Air Stadiums
- Powerful sound which penetrates through a stadium in the most effective way possible
- Two Frequencies: 4.15kHz & 3.67kHz, 4 octaves