节选:
1. Schiit Modi 2 that I have tested is horribly designed. It is sensitive to both USB power and data noise. Even a cheaper DAC like Behringer shows that such sensitivity is due to poor DAC design than anything to do with USB cables. The Behringer performance is better than Schiit with any cable and shows no need for tweaking the USB cable.
2. I have hugely magnified these differences. Without this magnification, the differences even with lousy DACs like Schiit are literally in the noise.