AudioQuest DragonFly Cobalt USB Digital-to-Analog ConverterDragonFly Cobalt, our new flagship DAC, takes what music lovers around the world have come to expect from the multi award winning DragonFly familynaturally beautiful, seductive soundand strips away fuzz and fog that weren't even noticeable until Cobalt removed them. How is this possible? Like the critically acclaimed DragonFly Red, Cobalt has the robust 2. 1 volt output to drive almost any headphone, uses a bit perfect digital volume control for