Web Audio APIIdle

Solfeggio Lab

Play solfeggio tones and ambient soundscapes together. Frequencies synthesized locally · ambient sounds streamed via Freesound.

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What Are Solfeggio Frequencies?

Solfeggio frequencies are a set of ancient musical tones originally used in Gregorian chants and sacred music. Each of the nine tones — spanning 174 Hz to 963 Hz — corresponds to a specific purpose in sound healing and meditation practice. This free online generator synthesises every tone directly in your browser using the Web Audio API. No downloads, no plugins, no account required.

You can play any single frequency or layer multiple tones simultaneously. Pair them with ambient soundscapes (rain, ocean, forest, thunderstorm) for a deeper meditative environment, set a session timer, or apply a mood preset to quickly load a curated combination of frequencies.

Solfeggio Frequency Chart

The nine solfeggio frequencies and their traditional associations:

Frequency	Name	Chakra	Description
174 Hz	Foundation	Root	Reduces pain and stress. The lowest tone acts as an energetic anesthetic, giving organs a sense of security.
285 Hz	Quantum Cognition	Sacral	Influences energy fields and leaves the body rejuvenated. Helps heal cuts, burns, and damaged tissue.
396 Hz	Liberation	Solar Plexus	Liberates guilt and fear. Turns grief into joy. Cleanse feelings of guilt, fear, and trauma.
417 Hz	Transmutation	Sacral	Facilitates change and undoes negative situations. Clears traumatic experiences and negative blocks.
528 Hz	Miracle Tone	Heart	Known as the "Love Frequency." Repairs DNA, brings transformation, and miracles into your life.
639 Hz	Connection	Throat	Enhances communication, understanding, tolerance, and love. Reconnecting and balancing relationships.
741 Hz	Awakening	Third Eye	Awakens intuition. Cleanses cells from toxins. Leads to a pure, stable, and spiritual life.
852 Hz	Spiritual Order	Crown	Returns to spiritual order. Helps replace negative thoughts with positive ones. Opens up communication with higher self.
963 Hz	Divine Connection	Transcendent	Activates the pineal gland. Creates room for oneness and unity. Direct connection to the highest vibration.

Frequently Asked Questions

What are solfeggio frequencies?

Solfeggio frequencies are a set of nine musical tones — ranging from 174 Hz to 963 Hz — rooted in an ancient six-note scale used in Gregorian chants. Each tone is associated with a specific intention, such as releasing fear, promoting healing, or enhancing communication. They are widely used in sound therapy, meditation, and relaxation practice.

What is the 528 Hz frequency?

528 Hz is one of the most popular solfeggio frequencies. Known as the "Miracle Tone" or "Love Frequency," it sits at the heart of the scale and is associated with transformation, DNA repair, and emotional healing. It is often used as a standalone meditation tone or layered with ambient sounds.

What is the difference between 432 Hz and solfeggio frequencies?

432 Hz refers to an alternative musical tuning standard (A4 = 432 Hz instead of 440 Hz). Solfeggio frequencies are a separate system — nine specific tones (174, 285, 396, 417, 528, 639, 741, 852, 963 Hz) from a traditional scale. Both are used in sound healing, but they are distinct concepts.

Can I play multiple solfeggio frequencies at the same time?

Yes. This generator lets you activate any combination of the nine frequencies simultaneously. Each tone runs independently using the Web Audio API, so you can layer multiple Hz tones together without any interference or signal loss.

Which waveform should I use?

Sine wave produces the purest, cleanest tone and is the most common choice for meditation and healing sessions. Triangle is slightly softer with gentle harmonic overtones. Sawtooth adds brightness and edge. Square creates a more hollow, resonant character. For focused listening or sleep, sine or triangle are recommended.

Are solfeggio frequencies scientifically proven?

Specific healing claims around solfeggio frequencies are not yet supported by large peer-reviewed clinical trials. However, sound therapy and the use of sustained tones for relaxation is an active area of research, with a growing body of evidence linking rhythmic auditory stimulation to reduced anxiety, improved focus, and better sleep quality. Many practitioners use these frequencies as part of a broader mindfulness or meditation practice.