A440 is the note that people tune musical instruments to. A440 is called the standardized pitch. It’s the A above middle C.
Alternately the A above middle C is also known as the Concert A.
The standardized pitch is sometimes called a concert pitch. A440 is A = 440 Hz.
Call it what you will. Use this file to tune your instruement, as a reference file, or to mix, scratch, or mash. Your choice.
Click to hear the sound. Right-click to save the file to your hard drive. The note is 10 seconds long.
You can load this MP3 file onto your cell phone and use it as a tuning fork.
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