---
product_id: 322511834
title: "JitterBug - FMJ USB Data & Power Noise Filter"
brand: "audioquest"
price: "$215"
currency: NZD
in_stock: true
reviews_count: 10
category: "Audio Quest"
url: https://www.desertcart.nz/products/322511834-jitterbug-fmj-usb-data-and-power-noise-filter
store_origin: NZ
region: New Zealand
---

# USB 2.0 compliant 480 Mbps transfer Dual noise dissipation circuits Full Metal Jacket shielding JitterBug - FMJ USB Data & Power Noise Filter

**Brand:** audioquest
**Price:** $215
**Availability:** ✅ In Stock

## Summary

> 🎧 Elevate your sound, silence the noise — JitterBug your audio life!

## Quick Answers

- **What is this?** JitterBug - FMJ USB Data & Power Noise Filter by audioquest
- **How much does it cost?** $215 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nz](https://www.desertcart.nz/products/322511834-jitterbug-fmj-usb-data-and-power-noise-filter)

## Best For

- audioquest enthusiasts

## Why This Product

- Trusted audioquest brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Smooth Data Flow:** USB 2.0 certified with 480 Mbps speed ensures jitter-free transmission.
- • **Hear Every Detail:** Experience enhanced stereo separation, deeper soundstage, and zero background hiss.
- • **Silence the Static:** Dual discrete noise filters slash internal RF noise for pristine audio clarity.
- • **Armor Up Your Audio:** Full Metal Jacket casing blocks external interference like a pro.
- • **Audiophile-Approved Upgrade:** Transforms digital music with up to 50% sound quality boost—your system’s secret weapon.

## Overview

The AudioQuest JitterBug FMJ is a compact USB noise filter designed to reduce both internally generated and external radio frequency interference. Featuring dual noise dissipation circuits and a full metal jacket for shielding, it meets USB 2.0 specs with 480 Mbps data transfer. This device significantly improves digital audio clarity by reducing jitter and package errors, delivering a cleaner, more detailed listening experience favored by audiophiles and professionals alike.

## Description

desertcart.com: AudioQuest JitterBug - FMJ USB Data & Power Noise Filter : Electronics

Review: Improves Sound Quality Substantially - I am 60 years old and have been an audiophile for 50. Always trying to improve the sound quality of my audio system. Although I never went crazy and purchased audio equipment in the 10K+ range, I have heard many hours of what expensive audio sounds like. I have found most of it out there is snake oil, but every once in a decade or so, you find a diamond worth it’s value. The JitterBug FMJ is a diamond, not snake oil. It really works. I’d actually pay 10x its value for what it does. It improved the sound of my digital music 25%-50%, along with an AudioQuest (Cinnamon) USB cable, a computer/music server, a DAC with a Saber chip and a Vac-Tube Amp. I have yet to compare headphone sound quality. Everything musical has: more stereo separation, clarity and imaging detail along all frequencies more realistic and open sounding (out of the speaker box sound) a little more soundstage (surrounding sound outside the speaker edges) most all Music Genres sounds more balanced and open Musical Instruments will have: more analog sounding realism, while still retaining its digital sharpness less digital jitter and muddiness (its most noticeable feature) string vibration- can be heard more (guitar, piano) percussion- is clearer and stands out more voices- have more authentic raspiness and realism Synthesized Waveforms- you will hear more- wobble during smooth wavy sequences graininess during distorted sequences You will also get Black as Pitch quite parts, with zero background noise. Your music collection will sound noticeably different…better.
Review: Perfect for Car Audio - I bought this to use in my Ford Explorer 2013 Limited with Premium Stereo. I upgraded my system to a Sync 3, changed all of the speakers and tweeters to Infinity Kappas, kept the OEM amp, and downloaded my music to Lossless files. I wanted to make sure I was getting the best sound, I wasn't hearing interference, or hums only it was hard to bare when playing the music loud due to the treble and bass, vocals sounding out of place, I just felt that this could improve the sound. And it did, I upgraded the iPod wire to an audiophile cord, connected this and it made a major difference. The Bass was tighter, the treble was calm and not over bearing, the mids finally matched up well. I did many comparisons with and without it, and I have no doubt in my mind and ears that it made a difference. I'm an audiophile, well anyone that mentions lossless files has to be 😂 Will someone who uses mp3's notice a major difference, maybe not. But this indeed made a major difference to me. It was worth it.... No, the seller I originally bought this from shipped it without placing it in an desertcart bag or box, so my first one was stolen from the box. Had to get another one, so be careful from which seller you buy this from. Other than that, it was worth it

## Features

- Dual discrete noise dissipation circuits reduce internally generated radio frequency noise to improve audio transmission performance
- Reduces jitter and package errors
- Full Metal Jacket protects against external noise
- Built-in RF resistant USB output jack offers increased noise reduction
- Meets all USB 2.0 specifications

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B08YDFH63B |
| Best Sellers Rank | #7,791 in USB Cables |
| Brand | AudioQuest |
| Cable Type | USB |
| Color | Black red |
| Compatible Devices | Personal Computer |
| Compatible Phone Models | Probably compatible with smartphones, specific models not listed |
| Connector Gender | Male |
| Connector Type | USB Type A |
| Customer Package Type | Standard Packaging |
| Data Transfer Rate | 480 Megabits Per Second |
| Date First Available | May 10, 2021 |
| Indoor/Outdoor Usage | Indoor |
| Is Discontinued By Manufacturer | No |
| Item Weight | 2.89 ounces |
| Item model number | JITTERBUGFMJ |
| Manufacturer | AudioQuest |
| Maximum Voltage | 5 Volts (DC) |
| Model Name | JitterBug FMJ |
| Number of Items | 1 |
| Number of Pins | 4 |
| Outer Material | Metal |
| Product Dimensions | 0.79 x 1.18 x 2.36 inches |
| Recommended Uses For Product | Personal Computer |
| Shape | Round |
| Special Feature | Data Transfer |
| Specification Met | USB-IF |
| UPC | 092592016125 |
| Unit Count | 1.0 Count |

## Product Details

- **Brand:** AudioQuest
- **Cable Type:** USB
- **Compatible Devices:** Personal Computer
- **Connector Type:** USB Type A
- **Special Feature:** Data Transfer

## Images

![JitterBug - FMJ USB Data & Power Noise Filter - Image 1](https://m.media-amazon.com/images/I/510vcjVP-PL.jpg)

## Questions & Answers

**Q: Is it worth upgrading from the original jitterbug to the fmj?**
A: I certainly wouldn't say you shouldn't upgrade, but if there's a difference in sound quality, it's so subtle that my ears can't detect it.

**Q: I am using df red on my cell phone.  would this improve sound quality of cell phone as a source, or is is mainly for reducing noisier pc sources?**
A: I have the blue and it works great with my cell phone.  Add some high quality noise cancelling headphones and you'll have a high end quality listening experience.

**Q: Can the jitterbug be plugged to my bluray player usb port and improve my listening experience when I watch movies. I have a nice home theater set up.**
A: If your USB on the DVD is a USB standard port then yes it will function. As far as improving your sound, the only thing that this thing does, as far as I know, is filter noise between devices. If your thing that needs improvement is a noise issue then this could help. If you have other issues you are trying to improve then this product is not likely to do anything for you.

**Q: i have a cb radio on my motorcycle and get interferance when transmitting. will this help reduce this noise**
A: i would say no. interference on your cb is most likely from the ignition system on your bike. make sure you have resister sparkplug wires and resister spark plugs.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Improves Sound Quality Substantially
*by M***Y on June 20, 2024*

I am 60 years old and have been an audiophile for 50. Always trying to improve the sound quality of my audio system. Although I never went crazy and purchased audio equipment in the 10K+ range, I have heard many hours of what expensive audio sounds like. I have found most of it out there is snake oil, but every once in a decade or so, you find a diamond worth it’s value. The JitterBug FMJ is a diamond, not snake oil. It really works. I’d actually pay 10x its value for what it does. It improved the sound of my digital music 25%-50%, along with an AudioQuest (Cinnamon) USB cable, a computer/music server, a DAC with a Saber chip and a Vac-Tube Amp. I have yet to compare headphone sound quality. Everything musical has: more stereo separation, clarity and imaging detail along all frequencies more realistic and open sounding (out of the speaker box sound) a little more soundstage (surrounding sound outside the speaker edges) most all Music Genres sounds more balanced and open Musical Instruments will have: more analog sounding realism, while still retaining its digital sharpness less digital jitter and muddiness (its most noticeable feature) string vibration- can be heard more (guitar, piano) percussion- is clearer and stands out more voices- have more authentic raspiness and realism Synthesized Waveforms- you will hear more- wobble during smooth wavy sequences graininess during distorted sequences You will also get Black as Pitch quite parts, with zero background noise. Your music collection will sound noticeably different…better.

### ⭐⭐⭐⭐⭐ Perfect for Car Audio
*by E***S on September 5, 2024*

I bought this to use in my Ford Explorer 2013 Limited with Premium Stereo. I upgraded my system to a Sync 3, changed all of the speakers and tweeters to Infinity Kappas, kept the OEM amp, and downloaded my music to Lossless files. I wanted to make sure I was getting the best sound, I wasn't hearing interference, or hums only it was hard to bare when playing the music loud due to the treble and bass, vocals sounding out of place, I just felt that this could improve the sound. And it did, I upgraded the iPod wire to an audiophile cord, connected this and it made a major difference. The Bass was tighter, the treble was calm and not over bearing, the mids finally matched up well. I did many comparisons with and without it, and I have no doubt in my mind and ears that it made a difference. I'm an audiophile, well anyone that mentions lossless files has to be 😂 Will someone who uses mp3's notice a major difference, maybe not. But this indeed made a major difference to me. It was worth it.... No, the seller I originally bought this from shipped it without placing it in an Amazon bag or box, so my first one was stolen from the box. Had to get another one, so be careful from which seller you buy this from. Other than that, it was worth it

### ⭐⭐⭐⭐ Doesn't fix ground loop issues
*by D***Z on November 25, 2025*

I bought this unit because I thought it would lift the ground using separate power, and so clear up video interference in the power amplifier caused by a ground loop in the audio interface USB connection. It didn't. The headphone audio doesn't use the power amp connection, though, so it's very clean.

## Frequently Bought Together

- AudioQuest JitterBug - FMJ USB Data & Power Noise Filter
- AudioQuest Dragonfly Cobalt USB Digital-to-Analog Converter
- AudioQuest DragonTail USB-A > USB-C High-Performance USB-A (Female) to USB-C (Male) Extender

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*Product available on Desertcart New Zealand*
*Store origin: NZ*
*Last updated: 2026-03-05*