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PLEASE NOTE: Registered airmail is not available to certain countries due to postal shutdowns, and is heavily delayed to countries without shutdowns. DHL Express is strongly encouraged for international orders.

The specialist in custom in-ear monitors and bespoke cables.

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.

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