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Customer Reviews

AudioQuest JitterBug FMJ

USB noise filter

MFR # JITTERBUGFMJ

AudioQuest JitterBug FMJ

AudioQuest JitterBug FMJ

USB noise filter

MFR # JITTERBUGFMJ

7 reviews
View this product

Well built, probably worth having

Michael from Lake Oswego, OR on 3/24/2022

Verified customer (What's this?)
Verified employee purchase (What's this?)

It's hard to tell if this makes a particularly audible difference or not and I imagine its impact will be different depending on how your USB power is and how your DAC is. I think, in my system, where USB power is coming from a UPS power supply to an iPhone, and the DAC is built into a tube headphone amplifier, it makes the music a tiny bit smoother. It seems to just take the edge off the highs and might even clean up some microphonic distortion I'd been detecting in certain passages. To be honest, in this case, tube dampers seemed to help that more. Regardless, it seems to be a good thing to have laying around because when you need it, you probably really need it.

Pros:

Cons:

Crutchfield response on

0 of 0 found this helpful

Jitterbug, easy to use and makes some differenxe

Benjamin from Pittsburgh, PA on 2/27/2022

Verified customer (What's this?)
Verified employee purchase (What's this?)

For the cost and the ease of use, the Jitterbug was worth it for me. For my setup, which is in a 2020 Jeep Wrangler with aftermarket parts like amp, speaker and subwoofer, as well as Audioquest Dragonfly black, the clarity is noticed most at high volume. I wouldn't say it's night and day but it does feel just a little less fuzzy and is just another part of the optimization process.

Pros: Easy to use Portable Brings clarity

Cons: Difference isn't dramatic

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0 of 0 found this helpful

Objectively, can't say that I'd recommend this product

Edward from Rapid City, SD on 1/17/2022

Verified customer (What's this?)
Verified employee purchase (What's this?)

Small, compact, easy to use design. Subjectively, I thought it made a slight difference, objectively, the measurements I've seen in testing the jitterbug (AudioScienceReview for instance), it makes absolutely no difference whatsoever. Can't say that I'd recommend it.

Pros: Small, compact, easy to use design

Cons: Objective measurements show that it contributes nothing.

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0 of 0 found this helpful

AudioQuest JitterBug FMJ

Crutchfield customer from Bayamon, PR on 11/14/2021

Verified customer (What's this?)
Verified employee purchase (What's this?)

Sounds clearer with blacker backgrounds than the original Jitterbug.

Pros: Metal finish. Top quality.

Cons: None

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0 of 0 found this helpful

AudioQuest JitterBug FMJ

Crutchfield customer from Aurora, CO on 11/13/2021

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Verified employee purchase (What's this?)

A definite sonic improvement over the original.

Pros:

Cons:

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0 of 0 found this helpful

Great for PC Sound

Crutchfield customer from West Hartford, CT on 8/6/2021

Verified customer (What's this?)
Verified employee purchase (What's this?)

Put this in line from my PC to my DAC. I have powerful PC with a lot of fans, so there is a noticable noise reduction.

Pros:

Cons:

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0 of 0 found this helpful

JitterBug FMJ

Crutchfield customer from Caguas, PR on 6/21/2021

Verified customer (What's this?)
Verified employee purchase (What's this?)

This item does not made a significant improvement on sound quality.

Pros: Easy to install.

Cons: Not a big improvement.

Crutchfield response on

0 of 3 found this helpful

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