528 Hz Tone Generator
A free online tone generator producing a pure 528 Hz signal in your browser. Solfeggio frequency. Pick a waveform, hit play, and adjust the volume slowly.
What is 528 Hz used for?
528 Hz is one of the Solfeggio frequencies sometimes used in meditation and sound therapy. It corresponds to roughly C5 and 37 cents sharp of modern C.
For solfeggio frequency, set the volume to roughly 30% before pressing play. 528 Hz can sound deceptively quiet at full volume — always start low to protect your speakers and ears.
How to use it
Press the play button on the preview above to hear 528 Hz immediately. To customize the waveform (sine, square, sawtooth, triangle), tweak the volume curve, or add a second tone for beat-frequency comparison, open the full tone generator. The closest musical pitch to 528 Hz is approximately C5 (+16¢).
FAQs
Why does 528 Hz sound different on different speakers?
Speaker frequency response varies dramatically. Small monitors and laptop speakers struggle below about 80 Hz; tweeters distort above 16 kHz on cheaper systems. If 528 Hz sounds quiet, distorted, or buzzy, your hardware is likely the limit — not the tone itself.
Is it safe to listen to 528 Hz?
At reasonable volumes, yes. Sustained exposure to any frequency at high volume can damage your hearing. Always start at 0 volume, ramp up slowly, and don't wear headphones at full volume on this page.
What's the closest musical note to 528 Hz?
528 Hz corresponds to approximately C5 (+16¢). For exact tuning, use the chromatic tuner.