Price Match Guarantee AudioQuest JitterBug FMJ USB 2.0 Data & Power Noise Filter Many tens of thousands of music lovers are already enjoying better audio enabled by the original AudioQuest JitterBug USB Noise Filter-plugged into cars' USB jacks, laptop computers, USB "service-only" jacks on Ethernet Streamers, and more. Now, JitterBug FMJ, with its Full Metal Jacket raises the stakes. Whether used in series (in-line) or in parallel, JitterBug significantly reduces contamination from RF generated