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AudioQuest JitterBug FMJ
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AudioQuest JitterBug FMJ – Clean signal at the USB port

The latest generation of this solution from AudioQuest, the AudioQuest JitterBug FMJ, should also guarantee better sound through the use of a noise filter on the USB port.

AudioQuest JitterBug FMJ, with this AudioQuest wants to guarantee purest sound, in the form of a solution that you simply plug into a USB port, which itself does not directly interfere with the sound.

This is already the second generation of this solution, the new AudioQuest JitterBug FMJ follows the AudioQuest JitterBug.

AudioQuest JitterBug FMJ as noise filter for USB

The cable and accessory specialist AudioQuest states that every USB port is subject to various interferences that can have a negative effect on the signal processing of audio data by a USB DAC, for example.

The task of the AudioQuest JitterBug FMJ is to eliminate these negative influences, whereby the company identifies high-frequency noise as the most damaging element.

The problem is not so much that you can actually hear this high-frequency noise during signal processing, but rather that it negatively affects details and the clarity of the image. The task of the AudioQuest JitterBug FMJ is therefore to provide the signal processing components with the best possible basis so that they can do their job in the best possible way.

AudioQuest JitterBug FMJ as a solution in any environment

The US company AudioQuest is so convinced of the effectiveness of the new AudioQuest JitterBug FMJ that it recommends the use of this solution in almost any environment where audio data is transmitted via USB.

The new AudioQuest JitterBug FMJ not only produces a clean signal at the USB port itself, but also protects against RF interference from the environment.

Various application scenarios

AudioQuest recommends the use of the AudioQuest JitterBug FMJ primarily on a USB port between the actual D/A converter, such as its own solutions like the AudioQuest DragonFly Black and AudioQuest DragonFly Red. For this purpose, the AudioQuest JitterBug FMJ is equipped with USB-A connectors on both sides.

The AudioQuest DragonFly Cobalt takes a special position here, because it already has filter circuits similar to the AudioQuest JitterBug FMJ integrated. The manufacturer states that an improvement could still be achieved here under certain circumstances.

In any case, it is said to be advantageous to use an AudioQuest JitterBug FMJ in series with D/A converters, since a clear improvement is always noticeable here. According to the manufacturer, interference from the power supply of the USB port is eliminated particularly effectively.

Also suitable for USB-C

Even if the AudioQuest JitterBug FMJ itself relies on USB-A ports, it should also work without problems on USB-C ports. AudioQuest offers corresponding adapters in the form of the AudioQuest DragonTail C Extender.

New metal case

The most striking innovation of the AudioQuest JitterBug FMJ compared to the previous generation is its metal case, which should protect it even more effectively from external influences.

In addition, a closing cap is now included, which should also protect against interference.

The new AudioQuest JitterBug FMJ should be available in specialist shops by the end of May 2021.

Getting to the point

If it’s up to specialist AudioQuest, the new AudioQuest JitterBug FMJ is designed to drastically reduce the noise and distortion that affects both the data and power lines of USB connections. When D/A converters are used on the USB port in conjunction with the AudioQuest JitterBug FMJ, this is said to enable very low jitter and reduce unwanted noise and annoying resonances. All this leads to a clearer image with higher dynamics and resolution. How strong these promised effects actually are, has to be tested in practice, because experience shows that such solutions have different effects on different systems.

Manufacturer:AudioQuest
Distribution:Audio Tuning Vertriebs GmbH
Price:€ 59,-

About Michael Holzinger

Michael Holzinger, founder and editor-in-chief of HiFi BLOG and sempre-audio.com, has been working for years as a journalist in the fields of IT, photography, telecommunications and consumer electronics.

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