Inventors of the world’s best amplification technology – ADH® – we are constantly working towards the ultimate perfection: zero distortion. In this passionate quest, we thoroughly reviewed the electronics of our products to develop the new Expert Pro line. This line would not exist without the expertise acquired with the Original d’Atelier. Major innovations developed for this masterpiece enabled us to push once again the extreme limits of audiophile performances. Expert 1000 Pro embodies all these innovations.