Hello, I've just received my iBasso D2+ Boa and I'm quite impressed. However when I use it as a sound card on my PC I can hear squeaks, for instance I have an external HDD on the same USB hub, when I'm accessing the HDD and the PC is reading data from it, I can hear squeaks in my headphones through the iBasso. I also have a PCMCIA Audigy 2 which has no such problem. Can anyone tell me why this is happening and how to solve it? Thank you Jestrik --- Edit: I've just realised this is called RFI / EMI. If anyone could let me know how I can reduce or stop this I would be very grateful.