Powerful sound penetrates through 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.
| Features | 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 |
