Share on facebook
Share on vk
Share on telegram

Ultrasound frequency 7000 kHz


Ultrasound frequency 8000 kHz


Ultrasound frequency 10000 kHz (sinusoidal signal)


Ultrasound frequency 12000 kHz (You can hear it if you are under 50)


Ultrasound frequency 13000 kHz


Ultrasound frequency 14080 kHz


Ultrasound frequency 15805 kHz (Are you under 40)


Ultrasound frequency 16746 kHz (Are you under 25)


Ultrasound frequency 17742 kHz (This sound is heard by someone who is less than 24 years old)