The Cheapest Way to Upgrade your Car Stereo
:: 4.7. What is Frequency?

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Frequency is the rate at which air pressure varies up and down.

What does air pressure have to do with music?

Good Question

The reason you hear music coming out of your speaker is because it vibrates the air at a certain frequency. When that vibration reaches the hair follicles in your ear, your brain interprets that vibration as music.

Whatever you say doctor!

Trust me.

The frequency range of sound is between 20 Hertz (20Hz) and 20 KiloHertz (20KHz).

That's the frequency that we humans can hear

Now, let's break this down so you understand why a simple upgrade to your car stereo will make a world of difference.

NEXT :: 4.7.1. The High Frequency - Tweetie!

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