Solfeggio frequency
417 Hz — Solfeggio Frequency (“RE”)
417 Hz is the second of the traditional Solfeggio frequencies, labelled “RE”, sitting close to the note G#4.
Audio visualization
Hz
20 Hz20 kHz
Waveform
Volume50%
L/R BalanceCenter
Tap a note to play its exact pitch — C1 to B8
Presets — one tap to start
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About the 417 Hz tone
417 Hz sits just above 396 Hz in the series, still comfortably in the mid-range where most playback equipment performs well.
As with the rest of the Solfeggio set, this page simply plays a clean 417 Hz sine tone and leaves any interpretation to you — no claims, just the frequency.
Technical details
- Frequency
- 417 Hz
- Nearest note
- G#4 (+7¢)
- Category
- Solfeggio frequency
- Period
- 2.40 ms
- Wavelength (air)
- 82.3 cm
- Octave up / down
- 834 Hz / 208.5 Hz
Common uses
- A mid-range tone for meditation or ambient use
- Compare directly with 396 Hz and 528 Hz
- A fixed reference near the note G#4