Frequency
432 Hz
Calm Base
Explore this frequency
Limited research
What it is
A 432 Hz sine tone. It is an alternative tuning reference for the note A, eight hertz below the modern standard of 440 Hz.
What users may experience
Many listeners report that 432 Hz feels softer or warmer than 440 Hz. Controlled listening studies on this comparison are small and inconsistent.
Traditional associations
432 Hz is central to a large body of modern spiritual and alternative-music writing. Those claims are cultural and philosophical rather than scientifically established.
Sound & relaxation
Slow, quiet, harmonically simple audio is a well-supported component of relaxation practice. Expectation and preference strongly shape how a tuning is experienced.
How to use it
Use as the base of a 20-minute calming session with a soft ambient layer. Excellent starting point if you are new to frequency listening.
Suggested session length
10 · 20 · 30 · 45 minutes — listening style: Solo, base tone, or paired; intensity: gentle.
Safe listening
Safe at moderate volume. Stop if you experience dizziness, headache or ringing.
Pair with
Physical sound properties, human perception, relaxation effects associated with audio, and traditional frequency beliefs are distinct categories and are kept separate above. Nothing here is medical advice. Read the wellness disclaimer