- Solfeggio "La" frequency 852 Hz - Labii reatum - Return to the divine roots - Diameter: 10" / 25 cm - Design: "TriColor Frosted" - Colour: Ultraviolet / White / Ultraviolet - The colour combination results from the octave correspondence of this frequency in the light spectrum: ultraviolet - Including mallet, pouch and ring EUR 139.00 - See more - Buy online