Pure Sine Wave 40Hz 1 & 10 Hours Audio Downloads

$4.99

Pure Sine Wave 40Hz for One and Ten Hours of deep bass.

Description

Here is a sine wave at a frequency of 40 cycles per second of deep bass. Be careful, this can be hard on speakers or headphones if the volume is too loud. And it may not be audible at all on laptop, tablet or phone speakers.

 

1 and 10 hour Mp3 audio format

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