Our Circuit designers used Hard-line take-pont of Welding Technology for the first time,and at the help of the excellent Appearance designer,we developed the first product: Darkvoice333 Headphone Amplifier.

From 2003 to 2008, Circuit designers and Appearance designer

developed six products,they are Darkvoice333, Darkvoice336i, Darkvoice336se, Darkvoice337, Darkvoice337se and lafigaro3322

In 2009 ,for the reason of misfortune,our firm abandoned the previous Darkvoice brand, turn to develop lafigaro336classic and his successors,also contain Senior Product:the Series of Rosenkavalier. We believe,from our products,you will have  the new listening experience.