Now the harmful vibrations which are generated in the audio devices (motors, transformers, capacitors...) do not break the fragile audio signal. The ceramic ball provides a direct mechanical coupling and acts as a trap. Your system will sound more natural and realistic. Music will become more lively and exciting. Transparency and detail will increase, thanks to the unleashing of the potential of your equipment.
Bibliography
James F.Doyle: Wave Propagation in structures
Daniel J Inman: Engineering Vibration