AudioQuest - JitterBug FMJ USB 2.0 Data & Power Noise Filter - Black
About this product
Noise reduction and noise dissipation is AudioQuest! One can’t hear our modern world’s 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.
Enhanced Sound Quality
Enables a more spacious and compelling audio experience by reducing noise and interference.
Noise Reduction
Dual Discrete Noise-Dissipation Circuits minimize all forms of internal noise in both sending and receiving electronics for cleaner audio.
Improved Signal Integrity
Effectively reduces jitter and packet errors, ensuring more accurate data transmission and better sound quality.
Superior Noise Protection
Full Metal Jacket (FMJ) with a hinged Carbon-Loaded Noise-Dissipation input cover shields against external interference for uninterrupted performance.
Integrated RF Protection
Features an RF-proof USB output plug that further reduces noise and interference for a cleaner audio signal.
USB 2.0 Compliance
Fully complies with all USB 2.0 specifications for seamless compatibility with a wide range of devices.
Versatile Compatibility
Use one JitterBug in series with nearly any USB DAC, including DragonFly Black and Red, and explore optimal performance with DragonFly Cobalt.
Enhanced Performance Options
For additional improvement, use a second JitterBug in parallelhighly recommended for maximizing performance with DragonFly Cobalt.
Reduce Interference with JitterBug FMJ
The AudioQuest JitterBug FMJ USB 2.0 Data & Power Noise Filter aims to enhance your audio experience by combatting RF Noise, which can compromise audio detail and contrast. Whether used in your car's USB jack or with a laptop, it ensures cleaner audio performance, integrating seamlessly into music lovers' lives.
Improve Your Home Audio System
JitterBug FMJ enhances your home audio setup by reducing jitter and packet errors. With features like Dual Discrete Noise-Dissipation Circuits, this noise filter preserves signal integrity, allowing clearer and more dynamic sound from your receiver or network streamer.
Enhance Sound Clarity with Noise Filtering
Perfect for audiophiles, the JitterBug FMJ offers an exceptional audio improvement by minimizing RF Noise for clearer highs and richer depths. Its sophisticated noise-dissipation circuits ensure your sound system honors the music present in your streaming-audio files.
Essential Tool for Car Audio
The JitterBug FMJ fits effortlessly into your vehicle's audio system, reducing signal contamination from RF noise generated by in-car electronics. Experience smoother, lag-free sound, elevating your driving entertainment.
Connect with Confidence
Use JitterBug FMJ with laptops, streaming setups, or even "service-only" USB ports to enhance connectivity. Its Full Metal Jacket and RF-proof USB output ensure stable and reliable signal performance across devices.
Protect and Preserve Your Equipment
The JitterBug FMJ safeguards your gear by shielding it from contaminating RF noise. With features like its RF-absorbing Carbon cover, it provides peace of mind through robust noise protection, ensuring equipment longevity.
Design and Usability
Sleek and compact, the JitterBug FMJ integrates easily with your devices, making setup simple and efficient. Its full-metal design not only enhances durability but also complements the aesthetics of your equipment, making it an ideal addition to any setup.
Enhance Your Audio Experience
By mitigating RF noise, the JitterBug FMJ makes it easy to unlock superior sound quality from your audio devices. Don't settle for lessbring clarity and depth to your entertainment setup today!
- BrandAudioQuestModel NumberJITTERBUGFMJProduct NameAudioQuest JitterBug FMJ USB 2.0 Data & Power Noise FilterColorBlackQuantity1Input(s)USB-A
Reviews
Rating 5 out of 5 stars with 3 reviews
The vast majority of our reviews come from verified purchases. Reviews from customers may include My Best Buy members, employees, and Tech Insider Network members (as tagged). Select reviewers may receive discounted products, promotional considerations or entries into drawings for honest, helpful reviews.
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Noise reduction and noise dissipation is AudioQuest! One can’t hear our modern world’s 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.

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| Pros for AudioQuest - JitterBug FMJ USB 2.0 Data & Power Noise Filter - Black | |||
|---|---|---|---|
| There were no pros for this product— | There were no pros for this product— | Ease of use, Compatibility, Price, Audio Quality, HDR Support | Ease of use, Compatibility, Price, Sound Quality, Connectivity |
| Cons for AudioQuest - JitterBug FMJ USB 2.0 Data & Power Noise Filter - Black | |||
| There were no cons for this product— | There were no cons for this product— | Resolution | Volume Control |
Specs
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