The Unico CDDue brings Unison Research right into the popular and versatile digital audio world. Not just a CD player, the Unico CDDue combines a high-level DAC with Valve output stage, a top-end CD mechanism. It’s feature-rich, flexible and customizable to the listener’s preference. A variety of external sources can be connected to the Unico CDDue, including a laptop or computer for playing all known audio formats – including DSD – via USB.