Can I have the link of that device? I am kinda interested.
Here is the link for the USB isolator or cleaner:
http://www.aliexpress.com/item/Music-Hall-Elfidelity-USB-Boosters-USB-audio-interface-Hi-Fi-Power-Filter-for-PC-DAC-AMP/32397141841.html
I bought for less than $50 during last 11.11 AE sale. Hopefully high res and DSD compatible.