Lol. The jitterbug looks like some audiophile snake oil. They never even dare say what it actually is. There's already a ferrite bead on most cables.
One thing I'd like to add to this thread is that I've experienced some noise when connecting my microstreamer to powered monitors. It was that distinct computer whine, either the USB bus or the processor. I solved the issue by running 1/8 TRS to my monitor controller and then running 1/4 TRS that terminate to XLR on the other end that plugs into the monitors. It's absolutely silent now and sounds beautiful and perfect.
I don't know what it is about using TRS to XLR but it worked a miracle for me. I tried using 1/8 TRS to RCA coax out of the controller and it was really awful and noisy, it passed along all the noise from the computer.