The solfeggio frequencies are a family of tones, usually listed as nine, that people use for relaxation and meditation, with each tone traditionally tied to a theme and a chakra. The core six are 396, 417, 528, 639, 741, and 852 Hz, and three more are commonly added at the low and high ends: 174, 285, and 963 Hz. Each one carries a meaning you can take or leave, and all of them are warm, distinct tones that are pleasant to sit with.
What stays true through all the lore is simple: these are lovely sounds to relax with, each with a feeling people return to. You can choose one by mood, sit with it for a few minutes, and let it do its quiet work.
The set was brought into modern practice in the 1970s by Dr. Joseph Puleo, who said he found the numbers through a numerological reading of an old biblical text, and it spread widely after Dr. Leonard Horowitz wrote about the tones around 1999. The ancient and sacred framing that often travels with the scale belongs to that tradition and storytelling rather than to documented musical history.
None of that needs to settle for you to enjoy the tones. You can hold the origin story as something to sit with, a part of the meaning people have built around these sounds, while still treating the listening itself as the plain, pleasant thing it is.
Each tone links to its own free player. Choose by the theme that fits your moment, there is no required order.
| Tone | Theme | Traditional chakra |
|---|---|---|
| 174 Hz | Foundation, safety, grounding | Root (below root) |
| 285 Hz | Renewal, restoration | Sacral |
| 396 Hz | Liberation, releasing fear and guilt | Root |
| 417 Hz | Change, clearing the past | Sacral |
| 528 Hz | Love, repair, the miracle tone | Solar plexus |
| 639 Hz | Connection, relationships, harmony | Heart |
| 741 Hz | Expression, clearing, problem-solving | Throat |
| 852 Hz | Intuition, awareness | Third eye |
| 963 Hz | Oneness, pure presence | Crown |
Choose by feeling rather than ranking. Many people start with 528 Hz for a warm, heart-open mood, 396 Hz for letting go, or 963 Hz for deep stillness, and there is no wrong pick. Let it run for 10 to 30 minutes while you breathe.
There is no required order. A popular approach is to move from a low grounding tone up to a high, airy one over a longer session, but a single tone is just as good. Let the order follow your mood, and keep whichever one settles you.
Tap a tone to open its free player and read what it is traditionally used for.
They are a family of tones, usually listed as nine, each traditionally tied to a theme and a chakra and used for relaxation and meditation. The core six are 396, 417, 528, 639, 741, and 852 Hz, with 174, 285, and 963 Hz often added. People choose one by the theme that fits the moment.
They are usually framed that way, and the story is part of their appeal, but the set as we know it was brought into modern practice in the 1970s by Joseph Puleo and popularized by Leonard Horowitz around 1999. Hold the ancient framing as tradition to sit with. As tones to relax with, they are lovely either way.
Each carries a traditional theme, from 396 Hz for letting go to 528 Hz for a warm, heart-open mood to 963 Hz for deep stillness. Those meanings live in tradition and in how the tones feel. Use the chart above to pick the one that matches your moment.
Choose by feeling rather than ranking. Many people start with 528 Hz for warmth, 396 Hz for release, or 963 Hz for stillness, and there is no wrong pick. Try a few and keep whichever one settles you.
There is no required order. A popular approach is to move from a low grounding tone up to a high, airy one over a longer session, but a single tone for 10 to 30 minutes is just as good. Let the order follow your mood.
Written and tested by Alexander Tartakovsky, a DJ, music producer and lifelong headphone and gear enthusiast who has used sound frequencies daily for focus and sleep since age 14. Last reviewed June 2026.
For relaxation and wellness only. This is not medical advice.