T-TOC Records HDC-001

 This disc case contains Ion control material and Bioenergy material
in the ratio of 7:3 and neutralizes the adverse effects of an
electromagnetic wave, static electricity, the magnetic field.

  HDC-002 is much powerful as in HDC-001 and affect compact disc in much wider range. As result, you get much smoother sound in mids and bass range. You get more dynamic and energetics in sound at the same time. 

 Just by installing a CD(digital disc) in this case over for 30 seconds,
there is a certain improvement in dynamic range, Three-dimensional
effect.

  It is more effective to install a disc for more time(over one hour)
in spatial reproduction, transparency, well-balanced frequency range.
This effect will bear about for 48 hours out of the case and a best
a recommendation is to maintain a disc in this case normally.