Acme Tornado Slimline Orange Whistle 117dB
As used in FIFA Internationals, F. A. & Champions League Matches FIMBRA & FINA Matches. Two high pitch frequencies for loudness close to the whistle and a lower pitch for distance all sound simultaneously.
As used in FIFA Internationals, F. A. & Champions League Matches FIMBRA & FINA Matches. Two high pitch frequencies for loudness close to the whistle and a lower pitch for distance all sound simultaneously.