28 Hz sine tone, to test your Subwoofer/Speaker/Headphones.

Humans can detect sounds in a frequency range from about 18 Hz to 20 kHz. (Human infants can actually hear frequencies slightly higher than 20 kHz, but lose some high-frequency sensitivity as they mature); the upper limit in average adults is often closer to 15–17 kHz.

If you “hear” frequencies lower than 18 Hz, you might just be hearing harmonic distortion.

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If you have any suggestions for future videos, please let me know in the comments below :-)

▬ Test Tone Playlist ▬▬▬▬▬▬▬▬▬▬
[ Ссылка ]

▬ Image source ▬▬▬▬▬▬▬▬▬▬▬▬
[ Ссылка ] "Sinus Frequenz" von geralt
Lizenz: CC0 Creative Commons

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Thanks for watching!

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