Powerful sound which penetrates trough a stadium in the most effective way possible. DOLFIN F whistle's rich, sharp, high pitched tone reaches every corner of the pitch, overcoming the deafening roar of a football stadium.
- Referee Whistle for FOOTBALL, SOCCER
- Best for Smaller & Quieter Audience, Standard Loudness (Easy to Blow)
- Tuned for Open Air Stadium
- Powerful sound which penetrates through a stadium in the most effective way possible
- 124dB/10cm, 4.15kHz & 3,67kHz, 4 octaves