Resonance Box Resonance Box For Tuning Fork is used for demonstration of the formation of a basic major chord. These have been proved to be very effective for amplifying sound from a tuning fork. Made with high quality wood. SKU: PSW014 Related Items: Adjustable Tuning Fork Rubber Mounted Hammer For Tuning Fork Plastic Springy Helium Neon (He-Ne) Laser << return to products