- The Worlds most Powerful Whistle. As used in FIFA Internationals,F.A.
- & Champions League Matches.Two high pitch frequencies for loudness
- close to the whistle and a lower pitch for distance all sound simultaneously.
- Recommended for Referee's especially in big stadiums or anywhere
- that real power is required.
- The Worlds most Powerful Whistle. As used in FIFA Internationals,F.A.
- & Champions League Matches.Two high pitch frequencies for loudness
- close to the whistle and a lower pitch for distance all sound simultaneously.
- Recommended for Referee's especially in big stadiums or anywhere
- that real power is required.
