3 in 1 Sirens using Transistor

3 in 1 Sirens using Transistor This is 3 in 1 Sirens using Transistor Electro Suite, we can get 3 sound using this 3 in 1 Sirens using Transistor circuit, Fire Brigade, Police and Ambulance.

Read more: http://electrosuite.com/audio/sirens/3-in-1-sirens-using-transistor/