What is HQCDII?

The second generation of HQCD! Utilization of higher-quality, purple-dyed polycarbonate in addition of adaptation of silver alloy as the reflective layer, Compact Disc with superior sound quality is realized. HQCDII can be played on all Compact Disc players.


Use of higher-quality polycarbonate

Using higher-quality polycarbonate which is used for LCD TVs and plastic lens, High precision pit transcription can be achieved with this new material. The transparency and very low bi-refringence contribute to high quality sound production.

Use of silver alloy as its reflective layer material

With its better reflectivity sound which is closer to it's original master is possible.

Use of specially-formulated purple dye.

Due to its natural ability to enhance the red laser beam going through the polycarbonate, near precise reading of the digital data is possible. Less jitter is produced after all.

The Combine Effect

By applying these three new materials, HQCDII brings us totally different experience in enjoying music after all. The reproduction of sound is now more precise and more faithful to the orginal master.

Comparison of sound quality: HQCDII vs HQCD vs CD

* Logo of HQCDII is registered trademark of Memory Tech Corporation and AQCD Technology Company Limited.