Commonly known for range of sound from 80 hz to 20 hz, this is the very low end of the human hearing range.
Not to be confuesed with
Below 20Hz sounds = Infrasonic.
Above 20,000Hz = ultrasonic.
Hey that new song has good sounding bass line.
Hey your system has good bass output.
A undoubted or self-evident truth.
When you look at the Sun it is bright.
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