AudioQuest's JitterBug FMJ is a specialized USB 2.0 filter engineered to combat RF noise contamination in digital audio systems. By addressing the electromagnetic interference that degrades signal integrity, this device restores clarity and dynamic range to your listening experience. The FMJ construction targets both data and power line noise, revealing previously masked musical details and enhancing overall contrast. Essential for audiophiles seeking to maximize the performance of USB-connected audio equipment.