DAC, Headphone AMP, earphone AMP. Jitter free. varied inputs. High quality clock " vectron" .Burr-Brown chips PCM1792a ,2707USB DAC, Headphone AMP, earphone AMP. MDAC II, Hifi audio amplier, your best music partner Item: DAC 2 Functional unit dedicated to you, connecting to computer, mobile phone, and CD player, play your music in any way freely.Feature Summary: 1. Asynchronous Sample Rate ...