Source: Press Release, Last Accessed: 2021/05/10

Many music lovers are already enjoying better audio enabled by the AudioQuest JitterBug USB Noise Filter—whether plugged into a car’s USB jack, or a laptop computer, or a USB “service-only” jack on an Ethernet Streamer. Now, JitterBug FMJ, with its Full Metal Jacket, raises the stakes, AudioQuest says. Whether used in series (in-line) or in parallel, JitterBug significantly reduces contamination from RF generated by a computer, car, or other device, while the FMJ (Full Metal Jacket) version also thoroughly addresses environmental RF Noise taking advantage of this vulnerable interface.
According to the press release, the new metal case is the most obvious change, though even the seemingly innocuous hinged “rubber” piece covering JitterBug’s output is crucial to JitterBug’s improved performance. That little black “door” is RF-proof thanks to the material being substantially RF-absorbing Carbon.
The user can employ one JitterBug in series between any computer, smartphone, NAS, streamer, or car audio system and a USB input, but for additional sonic improvement, he can use a second JitterBug in another unoccupied USB port—in parallel to the first—except with JitterBug FMJ’s front door closed.
JitterBug uses USB-A connections on both ends. When used with a computer or other device (or car) with only USB-C connections, AudioQuest offers a super-compact high-performance C-male to A-female adapter and, also, the DragonTail flexible C-to-A adapter (included with DragonFly Cobalt). JitterBug FMJ is already available for about $60 (US).

For more information: https://www.audioquest.com/

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