Pure Sine Wave 50Hz for Ten Hours

Description

Pure sine wave at a frequency of 50 cycles per second for ten hours. Be careful, this can be hard on speakers or headphones if the speakers are no robust or the volume is too loud. And the sound of this frequency may not be audible at all on laptop, tablet or phone speakers.

Here is the 50Hz Pure Sine Wave video on YouTube: https://youtu.be/69vd5es9GUw

192kbps mp3 format