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For audiophiles by audiophiles, Music Sanctuary, the specialist in customised portable audio.

Mezzo Soprano

Mezzo Soprano aims to achieve the best sound possible, the best sound that is perfect in reproducing of everything in the music you hear and  yet stays musical enough for you to enjoy your music all the time.

They have many products in their line up, but we shall start with the modification service for digital audio players, namely, the Astell&Kern AK100 and AK120.