Many tens of thousands of music lovers are already enjoying better audio enabled by the original AudioQuest JitterBug USB Noise Filterwhether plugged into a cars USB jack, or a laptop computer, or a USB service-only jack on an Ethernet Streamer, etc

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 by a computer, car, or other deviceJitterBug FMJ also thoroughly addresses environmental RF Noise taking advantage of this vulnerable interface.

The new metal case is the most obvious change, though even the seemingly innocuous hinged rubber piece covering JitterBugs output is crucial to JitterBugs improved performance. That little black door is RF-proof thanks to the material being substantially RF-absorbing Carbon.

Employ one JitterBug in series between any computer, smartphone, NAS, streamer, or car audio system and a USB input. For an additional sonic improvement, use a second JitterBug in another unoccupied USB portin parallel to the firstexcept with JitterBug FMJs front door closed.
A JitterBug in series with DragonFlys Black or Red always helps those wonderful creatures fly higher and faster. However, its best to experiment when putting a JitterBug in front of a DragonFly Cobaltwhich itself employs some of JitterBugs filtering, and so the two filters in series can help or hurt performance depending on specific equipment and context.

Regardless of which DragonFly or any other considerations, a 2nd JitterBug in parallel is always a delightful improvement as it pulls more RF Noise off the USB power buswhich is why and how a JitterBug makes just as big an improvement even when plugged into service-only or update-only USB ports on many devices.

Noise reduction and noise dissipation is AudioQuest! One cant hear our modern worlds pervasive RF Noise itself, but the compromises it causes robs us of detail and contrast, and outright buries so much subtlety. Fight back with JitterBug FMJ.

Features

DUAL DISCRETE NOISE-DISSIPATION CIRCUITS
Reduces the noise and ringing that plague both the data and power lines of USB ports. Reduces jitter, unwanted noise currents, and parasitic resonances. Packet errors are sometimes eliminated completely. Improves dynamic contrast, warmth, and resolution.

FULL METAL JACKET (FMJ) SHIELDS AGAINST EXTERNAL NOISE

INTEGRATED NOISE-STOPPER CAP FURTHER REDUCES NOISE