The Mid Ohm Tuning Fork is widely considered the quintessential Ohm (Om) frequency at 136.1 hz. Ohm an earth-tone with grounding, soothing and balancing qualities. Tune into the frequency of the earth and align with these natural rhythms to relax and rejuvenate! Sound Healing with Ohm Tuning Forks has many benefits: it can enhance breathing, relieve body tension, assist in meditation, and help facilitate yoga poses. The sound wave created by the Ohm Tuning Fork works like kinetic energy to move disharmony and tension form the body, while restoring a sense of well-being.