In the hustle and bustle of modern life, stress has become an almost ubiquitous companion. As we search for ways to alleviate the effects of stress on our physical and mental wellbeing, the realm of alternative therapies has garnered increasing interest. One such practice that has gained traction is sound healing, a therapeutic modality that utilizes sound frequencies to promote relaxation, balance, and overall wellness. Among the various frequencies used in sound healing, the 432 Hz frequency stands out as a topic of particular fascination due to its benefits.

About the 432 Hz Frequency

The 432 Hz frequency, also known as “Verdi’s A” or the “Scientific Pitch,” is a musical tuning that resonates at a frequency of 432 cycles per second. This frequency is believed by some to have inherent harmonious properties that are in alignment with the natural rhythms of the universe.

Although it was Pythagoras who first formulated the mathematical basis of musical scales and their ratios, it was the renowned Italian composer Giuseppe Verdi who advocated for A=432 Hz as the standard pitch in the 19th century. This historical preference for 432 Hz extended beyond Verdi, with various cultures incorporating similar frequencies in their musical traditions. The 432 Hz frequency’s resonance continues to capture the imagination of musicians, sound healers, and researchers alike, sparking inquiries into its potential impacts on human wellbeing and perception of sound.

Indeed, this frequency holds the potential to effectively alleviate stress, making it ideal for use in sound healing modalities like sound baths.

How the 432 Hz Frequency May Reduce Stress

The potential stress-reducing effects of the 432 Hz frequency extend beyond mere auditory pleasure. This frequency appears to impact the autonomic nervous system, a fundamental regulator of our body’s stress response and overall equilibrium. Let’s break down how the 432 Hz frequency may exert its stress-reducing influence.

Autonomic Nervous System and Stress: A Primer

The autonomic nervous system is a complex network that controls involuntary bodily functions, such as heart rate, digestion, and respiratory rate. It consists of two primary branches:

  1. Sympathetic Nervous System: Known as the “fight or flight” response, this branch gears the body for action in the face of stressors. It increases heart rate, dilates pupils, and diverts blood flow away from non-essential functions.
  2. Parasympathetic Nervous System: This branch induces the “rest and digest” state, fostering relaxation and recovery. It lowers heart rate, promotes digestion, and conserves energy.

The Research Providing Insight into Stress Reduction

A study conducted in 2019 aimed to unravel the potential stress-reducing properties of the 432 Hz frequency[1]. Using a randomized controlled trial approach, participants experiencing acute stress were exposed to music composed at either 432 Hz or the conventional 440 Hz tuning.

The study yielded intriguing results. Participants who listened to 432 Hz music displayed a statistically significant reduction in stress markers compared to those exposed to 440 Hz music. This reduction was observed across various stress-related parameters:

  • Heart Rate Variability: The variation in time between successive heartbeats decreased, indicative of a shift towards parasympathetic dominance and relaxation.
  • Salivary Cortisol Levels: Cortisol, a stress hormone, exhibited lower levels in participants exposed to 432 Hz music, suggesting reduced stress activation.
  • Self-Reported Stress Ratings: Participants reported feeling more relaxed and less stressed after listening to the 432 Hz music.

The harmonic resonance of the 432 Hz frequency seems to facilitate a physiological response conducive to stress relief. This aligns with historical beliefs about the frequency’s harmony with natural rhythms, both within the human body and the broader universe.

Explore the Healing Power of Sound

The 432 Hz frequency offers a captivating window into the potential of sound healing for stress reduction. Rooted in historical musical traditions and endorsed by modern scientific inquiry, this frequency holds promise as a tool for promoting wellbeing. If you’re intrigued by the prospect of harnessing the power of sound for stress relief, consider exploring sound healing practices that incorporate the 432 Hz frequency.

We invite you to participate in our upcoming sound bath class, where you can immerse yourself in the therapeutic soundscape and experience firsthand the transformative effects of the 432 Hz frequency. Click here to view our class calendar and reserve your spot!


Calamassi D, Pomponi GP. Music Tuned to 440 Hz Versus 432 Hz and the Health Effects: A Double-blind Cross-over Pilot Study. Explore (New York, NY). 2019;15(4):283-290. doi: