---
product_id: 193231466
title: "iDefender+ External USB Audio Ground Loop Eliminator (Type A - A)"
brand: "ifi"
price: "$U7882"
currency: UYU
in_stock: true
reviews_count: 9
category: "I Fi"
url: https://www.desertcart.uy/products/193231466-idefender-external-usb-audio-ground-loop-eliminator-type
store_origin: UY
region: Uruguay
---

# Maintains USB 3.0 high-speed data Eliminates ground loop hum Optional clean 5V DC power input iDefender+ External USB Audio Ground Loop Eliminator (Type A - A)

**Brand:** ifi
**Price:** $U7882
**Availability:** ✅ In Stock

## Summary

> 🔊 Cut the noise, keep the vibe — your audio’s new best friend!

## Quick Answers

- **What is this?** iDefender+ External USB Audio Ground Loop Eliminator (Type A - A) by ifi
- **How much does it cost?** $U7882 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.uy](https://www.desertcart.uy/products/193231466-idefender-external-usb-audio-ground-loop-eliminator-type)

## Best For

- ifi enthusiasts

## Why This Product

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

## Key Features

- • **Silence the Buzz:** Eradicates annoying ground loop hums for pristine audio clarity
- • **Plug & Play Peace:** Simple Type A to A connection, no drivers needed—just pure sound
- • **Upgrade Your Setup:** Add iPower 5V supply for ultra-clean power and next-level noise filtration
- • **Hi-Res Audio Integrity:** Preserves USB 3.0 speeds ensuring flawless signal transmission
- • **Power Without Interference:** Disconnects USB power ground to stop noise from multiple earths

## Overview

The iFi iDefender+ is a compact USB audio ground loop eliminator designed to silence humming and buzzing caused by multiple grounded devices in your audio chain. It disconnects USB power ground to reduce noise interference while maintaining USB 3.0 high-speed data transfer for optimal sound quality. Compatible with Type A to A USB connections, it also supports an optional 5V DC power input for enhanced noise filtration. Ideal for audiophiles and professionals seeking cleaner, warmer, and more dynamic audio playback.

## Description

iFi iDefender+ External USB Audio Ground Loop Eliminator (Type A - A): desertcart.co.uk: Electronics & Photo

Review: It does the job but check you really need it ... - When I moved house and setup up my guitar and synth bits in the new place, I was treated to the most horrendous ground hum, staticy, zuzzing noise through the monitor speakers from the USB audio interface attached to my desktop DAW system. I never had this problem at the old place aside from a very small hum which a small Behringer Hum Destroyer/Suppressor fixed. This little iDefender fella removed most of the noise, leaving only a very faint electrical connection sound in the distance if you put your ear to the speaker and which you'd easily forget about when audio was coming through. So, it did the job it was supposed to do but it is quite expensive at £60. The reason I say "check you really need it" is because I did little more investigation and found a better and cheaper solution for my setup. As I had never had a real problem before, my Steinberg audio interface had always been connected to the Mackie monitors via mono 1/4" cables. Apparently, these are called Unbalanced. The Steinberg and the Mackies both support TRS (stereo) cables otherwise known as Balanced. No idea what all that means but professional stuff all generally supports Balanced. I bought a pair of TRS audio cables from desertcart (RUXELY 6.35mm TRS Instrument Cable) for a grand total of £12 and voilà. ALL the noise vanished. Nothing evident even with your ear up against the speaker. Didn't even need the Behringer. Problem solved. iDefender not required. iDefender returned. Balanced is clearly the way to go and I probably should have known this but I'd never had this problem before in the previous 15 years with all sorts of kit and different interfaces. Balanced TRS cables on everything from now on. That said, if that doesn't do it in your situation then the iDefender will likely get the job done.
Review: Didn't solve my particular problem. - Ok...so just a heads up - I hate having to do this but the reason I'm giving this device 1 star is simply down to the fact that it didn't work for ME; that's not to say that it doesn't do what is advertised or it won't work for YOU - simply that it didn't deliver in my particular case. To clarify; I've just put together a new self-build computer and when I hooked up my audio interface I was getting a lot of noise from my speakers. Also tried an old interface and the problem persisted. The same noise wasn't present though using my old laptop with the same set-up. Upon researching the problem (graphics card related I'm starting to think) I came across the iFi products and thought I'd try the Defender+. It didn't help the problem and if anything actually increased the amount of noise present. If I can't find a solution then I may try one of the other iFi products but whether they are even relevant to this particular problem I don't really know.

## Features

- ✅ REMOVE GROUND LOOPS - Silence humming / buzzing caused by unwanted ground loops from your audio chain at home or in your car sound system. Available in 3 connection versions: USB A to to A, USB C to C, USB C to A.
- ✅ DEFEND AGAINST TOO MANY EARTHS - Disconnects the USB power from the PC, laptop, or other USB music source to eliminate multiple earths which cause noise interference
- ✅ IMPROVE SOUND QUALITY - Significantly reduces system noise floor and increases dynamic contrast, warmth and resolution in your music with a measurable difference. Retains USB 3.0 high speed data transfer technology for optimal signal transmission
- ✅ ROOM FOR MORE SOLUTIONS - Use an iPower 5V power supply (sold separately) into the side USB C port for clean DC power on USB powered devices. Not to worry, other 5V power supplies used will benefit from additional noise filtration.
- ✅ PLEASE READ ✅ : The iDefender+ is only a solution for removing ground loops within your system which occurs from having too many grounded devices in your audio chain. If you are unsure if you have a ground loop, please visit our website and contact our support team who will assist you.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0849J33T9 |
| Best Sellers Rank | 10,064 in Electronics & Photo ( See Top 100 in Electronics & Photo ) 222 in Audio & Video Adapters |
| Guaranteed software updates until | unknown |
| Item model number | iDef+ |
| Manufacturer | Abbingdon Music Research |
| Product Dimensions | 12.7 x 9.14 x 1.52 cm; 6.6 g |

## Product Details

- **Colour:** orange
- **Compatible devices:** Laptop, Personal computer
- **Connector type:** USB Type A
- **Item dimensions L x W x H:** 12.7 x 9.1 x 1.5 centimetres
- **Specific uses for product:** PC, Laptop

## Images

![iDefender+ External USB Audio Ground Loop Eliminator (Type A - A) - Image 1](https://m.media-amazon.com/images/I/61Tj-80B71L.jpg)

## Questions & Answers

**Q: I understand it doesn't come with the power supply, but does it come with an adaptor cable to connect a power supply (usb c male to dc female)?**
A: No, the one I received literally came with the unit in a box. I had to buy a seperate usb-c lead and used an old phone charger plug(the type with a detachable USB lead). I have it plugged into a power conditioner so I'm not too concerned about 'dirty' power coming through the lead

**Q: I get a high pitched buzz from my numark c3usb mixer when one or both usbs is connected to pc. it stops if i pull them out. will this help?**
A: i got a buzz through my mixer when having my digital piano connected via usb. placing this between the pc and the mixer (with an extra 5v input to power the mixer) removed the buzz entirely.

**Q: Will any power supply work with this? i am in uk so the branded one seems wrong for me. could it work with a usbc cable straight from wall power?**
A: Hi,

Thanks for your message.

You can use any 5v power supply with this, but we recommend the iPower for an introduction of clean power, the one on Amazon is shipped with multiple adaptors so it will have UK pin for you,. It could work with a USB C cable with a charging plug.

Thanks
iFi audio

**Q: Does this take away buzzing sound for PS4 headset?**
A: I don’t think so, if it’s Bluetooth there is no electric ground to reduce
If it’s with the back of the controller, there is no way étoiles plug it

## Customer Reviews

### ⭐⭐⭐⭐⭐ It does the job but check you really need it ...
*by A***R on 10 April 2024*

When I moved house and setup up my guitar and synth bits in the new place, I was treated to the most horrendous ground hum, staticy, zuzzing noise through the monitor speakers from the USB audio interface attached to my desktop DAW system. I never had this problem at the old place aside from a very small hum which a small Behringer Hum Destroyer/Suppressor fixed. This little iDefender fella removed most of the noise, leaving only a very faint electrical connection sound in the distance if you put your ear to the speaker and which you'd easily forget about when audio was coming through. So, it did the job it was supposed to do but it is quite expensive at £60. The reason I say "check you really need it" is because I did little more investigation and found a better and cheaper solution for my setup. As I had never had a real problem before, my Steinberg audio interface had always been connected to the Mackie monitors via mono 1/4" cables. Apparently, these are called Unbalanced. The Steinberg and the Mackies both support TRS (stereo) cables otherwise known as Balanced. No idea what all that means but professional stuff all generally supports Balanced. I bought a pair of TRS audio cables from Amazon (RUXELY 6.35mm TRS Instrument Cable) for a grand total of £12 and voilà. ALL the noise vanished. Nothing evident even with your ear up against the speaker. Didn't even need the Behringer. Problem solved. iDefender not required. iDefender returned. Balanced is clearly the way to go and I probably should have known this but I'd never had this problem before in the previous 15 years with all sorts of kit and different interfaces. Balanced TRS cables on everything from now on. That said, if that doesn't do it in your situation then the iDefender will likely get the job done.

### ⭐ Didn't solve my particular problem.
*by S***T on 12 August 2020*

Ok...so just a heads up - I hate having to do this but the reason I'm giving this device 1 star is simply down to the fact that it didn't work for ME; that's not to say that it doesn't do what is advertised or it won't work for YOU - simply that it didn't deliver in my particular case. To clarify; I've just put together a new self-build computer and when I hooked up my audio interface I was getting a lot of noise from my speakers. Also tried an old interface and the problem persisted. The same noise wasn't present though using my old laptop with the same set-up. Upon researching the problem (graphics card related I'm starting to think) I came across the iFi products and thought I'd try the Defender+. It didn't help the problem and if anything actually increased the amount of noise present. If I can't find a solution then I may try one of the other iFi products but whether they are even relevant to this particular problem I don't really know.

### ⭐⭐⭐⭐⭐ Ground Loop Eliminator
*by M***Y on 28 March 2024*

This is an excellent piece of tech that does exactly what it says, eliminates ground loop issues. It totally worked for me and I would highly recommend it. Before buying this item you must establish if you actually have a ground loop issue. I had a noise coming through my studio monitors which sounded like I could hear the computer working if that makes sense, I could even hear a sound when I moved the mouse. After watching a few videos on the internet (recommended) and trying a few remedies, I opted to purchase the iDefender and was so glad I did as it resolved the issue immediately. Note, this only works on a USB powered audio interface and the item also requires a separate 5V/2A power supply. It’s a bit particular about which power supply it needs, so choose one with a barrel end connection and an in-line noise reduction magnet. There’s a short barrel to usb C adapter in the box. You must power the iDefender otherwise it won’t work. I bought this power supply from Amazon and it worked perfectly. https://amzn.eu/d/j0qptp9 Not cheap but highly effective, and highly recommended. Just do your research and get the correct power supply.

## Frequently Bought Together

- iFi iDefender+ USB Audio Ground Loop Eliminator (Type A > A) 5V
- iFi SilentPower iPower2 - Low Noise DC Power Supply - Upgrade Your Audio/Video/Electronics (5V / 2.5A)…

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*Product available on Desertcart Uruguay*
*Store origin: UY*
*Last updated: 2026-02-21*