160 320 360,3797 660669 You are a Trader of Symetric Truth. IMI .pt You Can Apply Remenent Resource to your Development of Trading Symetricaly ' .. - Audio Frequency range instruments were Frequency The Secrets & Science of Sound (2014) thothcrib 18,500 Highest frequency heard by average young woman 17,500 Highest frequency heard by average young man 15,700 High frequency that old televisions scream at 15,000 ( Most people over 40 can't hear this high anymore ) 10,000