136.1 Hz OM Weighted Tuning Fork

The 136.1 Hz OM Weighted Tuning Fork, also known as the Mid-OM or Heart Tuner, is a staple in sound healing for centering and grounding. Precision-tuned to the Earth's vibration, this weighted fork is perfect for Heart Chakra (Anahata) work and emotional balancing. Its deep, soothing vibration helps quiet the mind and settle the nervous system when applied directly to the body. According to the ancient wisdom tradition of Vedanta, OM is the primordial sound, the source sound of creation. The Aitareya Brahmana of the Rig Veda, in section 5.32, suggests that the three phonetic components of OM (pronounced AUM) correspond to the three stages of cosmic creation, and when it is toned, it celebrates the creative powers of the universe. 136.1 Hz is the standard frequency of the OM tuning fork, often used to tune instruments in Indian temple music.  It is called "Sadja", or "Sa", and is the fundamental tone of the Sitar and Tambura. The mid-OM tone is said to stimulate the Anahata (heart chakr