Has anyone here had first hand experience with products like Schiit's Wyrd or the iFi iPurifier. They apparently "clean up" USB signals and reduce noise.
I'm quite sceptical about the benefits, but I noticed a decent number of people in Singapore buy them, judging by the used sales threads and also from what I see when I visit stores. This isn't saying much since people here go crazy for FOTM products quite often, but I'm not sure if these really fall into such a category.
I picked up the Emotiva miniX a-100 that
@kothganesh suggested for the HE4. I also picked up the Oppo HA-1 to power the LCD2F and to serve as a DAC for the HE4 as well. The setup sounds fine as it is and I don't intend on buying anything more at them moment. Still very curious about the two aforementioned products.
My portable rig will be on sale soon if anyone's interested