$4.99
Instantly download the 440 Hz Pure Sine Wave Tone (1 & 10 Hr MP3s). This is the ‘A’ note, ideal for tuning musical instruments and focused ambient listening.
This is the sine wave 440 Hz tone, which is the ‘A’ in the musical scale (often designated A4).
This sine wave has no overtones, meaning it is only the fundamental frequency and is therefore sometimes called a pure tone.
Musical Application:
This tone is good for tuning or keeping a reference to A, making it an essential tool for musicians, vocalists, and audio engineers.
Ambient Use: The pure, continuous waveform is also ideal for focused concentration and ambient listening.
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