ACME Siren - sometimes known as the cyclist's road clearer. From tribal dances to marine signalling, this complex whistle, made with watch-maker's precision, was the beginning of the ACME range of orchestral whistles and musical sound effects that remain popular to this day. Professsional model. The classic Loud Whooshig siren sound. 3" or 7.4 cm long
Very loud, high volume whistle. Needs lots of effort but with hard blowing is the loudest whistle we know - from our range and others. Unique design, unique performance and unique high pitch sound. Used in soccer, basketball, volleyball, swimming and water sports. Dimensions: 5.3(L) x 2.3(W) x 2(H) cms