Cees Ruijtenberg share some insights about the future, upper-echelon Sonnet Digital Audio DAC: "When customers ask you to produce an high-end DAC, it is nice to know how it will sound in advance. The photo shows a DAC cluster of four modules (16x R2R ladders) made just for one channel. While this is just an approach to a real future system I can tell you that the sound is already amazing."