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BESIGN Ground Loop Noise Isolator for Car Audio/Home Stereo System with 3.5mm Audio Cable

  • Based on 9,250 reviews
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Availability: In Stock.
Fulfilled by Amazon

Arrives Monday, Oct 12
Order within 10 hours and 36 minutes
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Number of Items: 1


Features

  • Ground loop filter noise isolator, eliminating the hiss, buzz and interference caused by ground loops which happens when the audio source and the speaker use the same power source in some car speakers / home stereo systems when using the Bluetooth receiver.
  • You can enjoy the clean and clear music/audio by eliminating the current noise in some car speakers / home stereo systems.
  • Works with any device that has a 3.5mm jack including smartphones, tablets, mp3 player, speakers, when grounding issues persist. You could also use with a Bluetooth Receiver/Bluetooth Hands-free Car Kit in your Car Audio System/Home Stereo.
  • Being so mini, portable and light, plug and play, no battery need or button, all you need to do is to plug in the ground loop isolator
  • Portable, light-weight and plug and play without any complicated setup. Package Contents: Besign Ground Loop noise Isolator with 3.5mm Audio Cable, User Manual.

Description

Made with simply convenience and an eye for stylish functionality, BESIGN products are designed to fit your climate friendly lifestyle. Ergonomic Laptop Stand, good relief for your neck. Ergonomic Laptop Stand, good relief for your neck. Ergonomic Laptop Stand, good relief for your neck. Ergonomic Laptop Stand, good relief for your neck. Foldable Laptop Table for reading, writing in bed or cofa. Bluetooth Sports Headphones, enjoy music any time, any where. Bluetooth Music Receiver, add bluetooth for your wired home stereo. Bluetooth Car Receiver, add bluetooth for your car for handsfree call and wireless music playing. Bluetooth Car Speakerphone, handsfree calling in your car. Ground Loop Noise Filter, eliminate the ground noise for your car audio. If you've got your radio, iPod, MP3 player, bluetooth receiver or similar audio equipment plugged into your car stereo with an audio cable and you're getting audio humming noise caused by ground loops, you need this isolator to work together so that you can enjoy high quality music. Forget about the annoying noise! You can enjoy the clean and clear music/audio by eliminating the current noise in some car speakers / home stereo systems when grounding issues persist, also used with the bluetooth receiver,or bluetooth hands-free car kit.

Special Feature: Ground Loop Noise Isolator


Brand: BESIGN


Connectivity Technology: 3.5mm Aux jack


Power Source: No Power required


Material: Plastic


Additional Features: Ground Loop Noise Isolator


Enclosure Material: Plastic


Color: Black


Supported Media Type: [StandardAudioFormats]


Installation Type: Aux Jack


Power Source: No Power required


Compatible Devices: Devices with a 3.5mm audio jack or Bluetooth capabilities, such as smartphones, tablets, mp3 players, speakers, Bluetooth receivers, and Bluetooth Hands-free Car Kits.


Compatibility Options: Ground loop noise Isolator for Car Audio or Home stereo system or speakers


Compatible with Vehicle Type: Any


Supported Application: Ground loop noise Isolator for Car Audio or Home stereo system or speakers


Hardware Interface: 3.5mm Audio


Connector Type Used on Cable: Auxiliary


Number of Ports: 1


Control Method: Touch


Human Interface Input: Buttons


Connectivity Technology: 3.5mm Aux jack


Wireless Compability: Bluetooth


Data Link Protocol: 3.5mm Aux jack


Item Weight: 0.03 kg


Brand: BESIGN


Model Name: GLNI-1Pack


UPC: 611677349110


Unit Count: 1 Count


Manufacturer: BESIGN


Built-In Media: 2Pack Ground Noise Filter


Warranty Description: 12 months


Audio Output Type: 3.5mm Aux jack


Audio Input: 3.5mm Audio Cable


Audio Output Mode: Stereo


Number of Channels: 1


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Monday, Oct 12

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

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View our full returns policy here.

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Top Amazon Reviews


  • Impressive Noise Reduction for My Docked Setup
Number of Items: 1
I recently purchased the UGREEN USB Audio Adapter to solve an issue I was having with noise in my docked computer speakers setup for my MacBook Pro. This little device worked like a charm and completely eliminated the annoying static and interference that was plaguing my sound system. Instant Noise Reduction The main reason I bought this adapter was to address the persistent noise that I would hear through my speakers when my MacBook was docked. It didn’t matter what I was doing—whether listening to music or joining a Zoom call—the interference was always present. As soon as I connected the UGREEN adapter, the difference was immediate. The noise disappeared completely, leaving me with crisp, clean sound. Easy Setup and Plug-and-Play The setup couldn’t have been easier. It’s truly plug-and-play—just plug it into the USB port, connect the speakers or headphones, and you’re good to go. There were no drivers to install or any complicated setup process. Within seconds, the audio quality improved dramatically. This was a simple, effective solution to a frustrating problem. Compact and Convenient Design The adapter itself is small and sleek, which is great because it doesn’t add any bulk to my setup. It’s easy to toss in a bag if I need to move around, and its design feels durable. Despite its compact size, it packs a punch in terms of performance. Great for Multiple Devices While I mainly use it with my MacBook Pro, I’ve also tested the adapter on other devices, including a Windows laptop and a desktop, and it worked just as effectively. The versatility of this adapter is a bonus, as it can solve audio issues across various platforms. Affordable and Effective Solution Given its affordable price point, the UGREEN USB Audio Adapter is an excellent value for what it offers. If you’re dealing with audio issues related to interference or static in your speakers, this is a quick and reliable fix without breaking the bank. Final Thoughts Overall, I’m extremely pleased with this purchase. The UGREEN USB Audio Adapter solved my noise issue perfectly, and the sound quality has been significantly improved on my docked MacBook Pro setup. It’s a must-have for anyone experiencing similar problems with audio interference. Highly recommended! ... show more
Reviewed in the United States on August 24, 2024 by Johnny

  • Killing my buzz
Number of Items: 1
Tried two other similar products to eliminate buzz in my home theater subwoofer and neither worked at all. I have a long RCA running through the wall and ceiling from the amp to subwoofer that was already installed when I moved in. Doesn’t appear to be a shielded cable. Even the slightest increase on the subwoofer volume dial would produce a loud buzz basically making the subwoofer useless. This isolator made an enormous difference. Still a very slight buzz when I turn the volume up high, but at reasonable volume levels no noise at all. I can now use the subwoofer with pretty much no noticeable interference. Because this item has 3.5 mm input and output I had to use RCA adapters and the setup worked perfectly. Definitely recommend trying this product if you’re having a similar home audio problem. ... show more
Reviewed in the United States on August 18, 2026 by YA

  • Simple and immediate solution to unwanted noise!
Number of Items: 2
I bought two of these. I had two different sound issues and they were both resolved by this ground loop noise isolator. One was used with a work laptop. The 1/8" audio cable from the laptop to my mixer was the first place I used it. It immediately resolved my issues. The 2nd isolator was plugged into my gaming pc that runs into a mixer. It had low level static. This fixed the issue completely. Highly recommended! ... show more
Reviewed in the United States on August 2, 2026 by EdwardnNC

  • Reduced the Noise, but Didn’t Completely Eliminate It
Number of Items: 1
I bought this to deal with an annoying humming/whining noise coming through a 3.5mm audio connection. Installation couldn’t be much easier—just connect it inline between the audio source and the stereo. It made an immediate difference and reduced most of the background noise. However, in my setup I could still hear a faint amount of interference when the volume was turned up with nothing playing. I also noticed a slight change in the sound compared with connecting the cable directly, although it wasn’t significant enough to bother me during normal listening. For such a small and inexpensive device, it did a good job solving most of the problem without requiring any changes to the wiring. Just don’t expect it to magically fix every type of audio interference. Useful little adapter and worth keeping around, but because it didn’t completely eliminate the noise in my setup, I’m giving it 4 stars. ... show more
Reviewed in the United States on August 21, 2026 by Alfaris

  • 4.5/5
Number of Items: 1
Just received. It removed the majority of the static, not all, but most. Also, it made my speakers a bit louder and increased bass in which I appreciate. Overall, I’m satisfied.
Reviewed in the United States on July 30, 2026 by Anna

  • All inference was gone!
Number of Items: 1
Bought an aftermarket carplay unit which could only be used with an auxiliary cable rather than bluetooth. There was interference with the pandora playing out the speakers. Both this noise isolator and it makes a huge difference. No more interference and the sound from the speakers is now great!
Reviewed in the United States on August 4, 2026 by Amazon user

  • Mine worked, really worked GREAT. I am shocked, but happy, would recommend to others.
Number of Items: 1
I paid full price; I am not a professional reviewer or paid by Amazon or the manufacturer. I have a speaker/subwoofer PC sound system made by Phillips. It has 2 speakers & a woofer, fed by a 3.5mm input jack. I had no noise until I added a splitter so I could have 2 laptops share the same speaker system. This is when the noise, which was hum & other random noise that was very apparent through the speakers. Even at low volumes, you could hear the noise, I might make a video to show how bad it was.. In the past I purchased a similar device to get rid of background noise, I think it was related to a USB powered speaker I used in the past. Well, the other unit did not work, and the noise persisted. I am pleased to report that this model noise defeating device worked great. Once I plugged it in, the noise is 100% gone. Not reduced, but back to the way it was before I added the splitter. I am not sure why using a Y cable between 2 laptops would create this situation (the noise), but this device did what I intended it to do. Just my experience, I am sure others will have different results. I am happy and I would buy this model again if needed. EDIT: 1 month update: Still working GREAT! Like another reviewer, null/Toddi, said: "Noise from GPU and mouse movements, and background noise from the laptop especially full screen". That is exactly what I was hearing BEFORE I installed this device. I like it so much I bought a spare just in case. It eally kills the PC noise that comes from a desktop of laptop. I actually tried the USB powered speakers from before, and without the device the USB powered speakers pickup USB noise. When I installed this with the USB speakers, it once again killed the noise. Whatever "magic" is inside this unit, it really works. I was going to try a isolator power plug device and ferrite loops, but I am glad I tried this first. I think someone in the questions said that they tried the ferrite cores and ISO power to no avail. I would have wasted a lot more money if I went that route. I would suggest anyone with noise try this FIRST. The price more than justifies an attempt at letting this device get rid of your noise. As for killing low end, I do use Spotify to listen to 80's rock and jazz, and I have not heard any low end problems. I do have a woofer and 2 speakers/drivers in my Phillip[s PC sound system. ... show more
Reviewed in the United States on March 3, 2023 by David Howard in DC

  • It removed the loop noise from my desktop to my headphones, I need more of these for sure
Number of Items: 1
Got this because my headphones plugged into my computer had so much feedback it was almost unusable. Putting this between my headphones and the computer resulted in a clean output. It works perfectly for this.
Reviewed in the United States on August 24, 2026 by Stephen

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