Optimized Resonance: The tuning fork acoustic box features a carefully engineered wooden resonance chamber, improving sound amplification and providing fuller tones suitable for wellness, SPA, and Relaxing sessions.
432 Hz Tuning Fork with Resonance Box,For Sound Healing,Tuning Fork Resonance Te
Resonance Box for Tuning Forks - 5.8x3.5x2.8in Wooden Vibration Box for Sound