The Audiotop Permanent CD-Marker was specially developed for the Glaess CD-Sound-Improver. Its high-density lightproof covering yields an essential improvement of the sound quality. In combination with the cleansing agent Audiotop Digital this forms the perfect tuning for CDs, SACD, DVDs or Blu-Ray.

The result is audibly better!

  
     
   
Information about Glaess CD-Sound-Improver: www.audiodesksysteme.de.