IFi iusb power supply and conditioner any info?

Well, I unplugged the units for awhile and when I plugged them back in, the periodic pops are gone. Thank you! I guess I didn't have one of the cables in properly.

However, I still like the sound better without the iFi units.
Audiosource, and Ppeters did your units require break in time?

As the iFi units burn in more (now 100 hours) it seems to be getting better.
At this point it may be a keeper.

Just got a dual headed usb to use with the IFi power unit. I was amazed that I can actually unplug the power usb and everything continues to play.
I must say I have been very surprised with this unit and I am glad I bought it.

Thank you for the helpful comments.
I just received the 2 units.
I will be using it with my Bryston BDP-2 usb player and my PS Direct Stream Dac.

I seem to be getting a periodic click,(pop, snap)that is driving me crazy. Its faint but I can hear it about every few minutes.
Also, did you find the unit needed burn in time?