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BESIGN Ground Loop Noise Isolator, Ground Loop Buzzing Noise Elimination for Car Audio and Home Stereo System with 3.5mm Audio Cable
- Eliminating Humming Noise
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!
- Pure Audio
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.
- Package Contents:
- Besign Ground Loop Noise Isolator with 3.5mm Audio Cable x 2
- User Manual.
MikeT
Reviewed in the United States on May 30, 2025
OBS Studio livestreaming had some background static noise that we simply could not figure out how to remove. After searching on a forum with others mentioning a ground isolator, I found this was well reviewed on Amazon and got it right away. Immediately all the background noise/static was gone! As simple as plugging in line from a mixer to the PC, and the noise was gone! Easy to connect, worked great!
Jack Menhoff
Reviewed in the United States on May 28, 2025
My GTi is old - it's model year seems to have been the last one prior to the widespread introduction of usb ports as a standard piece of kit for new cars by VW. It has several buttons for satellite radio and a DVD-based navigation system. Bluetooth audio was moving from a rumor to reality but still a few years from being available as a feature. So no easy wireless audio existed for me in this car - only an aftermarked aux jack that I had been plugging into via Apple's Lightning to 3.5mm adapter. I tried using a Bluetooth dongle, which brought brief joy followed by the realization that it would need frequent charging, which invariably brought on the eerie, disembodied, hissing menace of the Audio Ground Loop. Efffff.BUT - I love my GTi; it's paid off, cheap to insure, and driving it still puts a smile on my face. Two weeks ago I did a bit of research on reliable isolation devices, got overwhelmed by the crushing weight of paid-for, AI-faked, ludicrously off-topic, and real reviews, and decided to just buy the most popular one on the big A.Thing works great. No degradation in quality (to my somewhat practiced ears), nor any decrease in volume. Just plugged my bluetooth receiver dongle into the cigarette lighter outlet/usb charger, connected this thing's built-in 3.5mm male cord to the dongle's output, then ran a short 3,5mm cord from this isolator to the aux jack. Voilà. Now that setup sits, out of eyesight, in the emergency-brake-lever area to the right of the driver. When I start the car, on comes the bluetooth. With this isolator in place, I have seamless, interference-free bluetooth audio from my iphone without ever having to plug the phone in to anything. Wonderful. Writing this review was harder than setting it all up.
Massimo
Reviewed in Italy on May 27, 2025
Risolto dopo 28 anni il problema del ronzio delle casse. Prima devo accendere il pc poi le casse altrimenti c'è un forte elemento di disturbo.
str8upx
Reviewed in the United States on May 25, 2025
I have 6 of these and they work EVERYWHERE I put them. This one I used in my Jeep. After I put a Ecoflow Delta 3 Plus in the back of my Jeep I was getting a loud buzz from the aux input from my computer output. I attached this and the buzz was completely gone. I used these at my business, at my home, and Jeep they are awesome.
Tyler L.
Reviewed in the United States on March 8, 2025
I bought a new UGREEN shielded aux cable to use with my Sony WH-1000 XM4 headphones for my Rodecaster Duo, but I noticed a problem - there was this awful static noise. I did some research and found online that something called a "ground loop noise isolator" should fix it, so I picked this one up from Amazon and tried it out.Sure enough - it works! I got this for $8.99 and honestly I'd say it was worth it.In a separate case, I noticed an issue when using my Samsung J Series sound bar in my living room with my Dell Latitude laptop. Sometimes I would hear this awful loud buzzing noise, and I especially noticed it if the aux cable was plugged only into the soundbar and I touched the other (unplugged) end with my hand. This also happened while the laptop was connected to the soundbar at some point. Realizing that I was probably making ground with the connection, I tried to use this product for my laptop and the awful buzzing noise went away.Hopefully this review helps!Extra Information:As for why I wanted to connect this laptop to my living room sound bar, it's because I use it as a server running Rocky Linux and I set up a cron job to play a custom alarm sound every morning at 8:00 AM (cronjob syntax is 0 8 * * *) using cvlc (CLI VLC Media Player) that I created, which counts down from 20, then counts down from 10, and then fades into an extremely loud air raid siren. My reason for doing this is because I sometimes fight with myself to get up in the morning, especially if I stayed up late, so hopefully this will help me get up sooner. I'm going to buy a second one of these so I can have one for my Rodecaster Duo and one for my Samsung J-Series soundbar that's connected to my Dell Latitude 7400 laptop.
Ry Maynard
Reviewed in Canada on February 28, 2025
Works, even on loud buzzing!I host karaoke from time to time, and the bar’s got lots of TVs hooked up together. Their HDMI cable that runs into my laptop was feeding a ground loop into the mixer, and causing a loud audible buzz in their speakers.Tried a ground loop isolator that was 69.99$ plus tax at my local music store. It got rid of THAT loud buzz, but it created a new, even more annoying crackle and it was big and bulky.When this little gadget came in, I didn’t expect it to fix the problem for a fraction of the price of the other isolator I tried - but I was wrong! It worked flawlessly.Some people say it reduces sound quality, but I did not experience this at all, and the speakers at the bar are loud so I would notice10/10 product, amazing price for what it does if you can’t rewire a bar’s sound system. I’ll be bringing this to every venue!
Xaiban
Reviewed in the United States on April 30, 2025
Using this with my portable amplifier. Line noise was really loud but this device eliminates approximately 80% of it. Shame it doesn’t cancel out 100% of it but since I’m using it to practice electric bass/guitar when I’m on the go eg. pool, park, traveling, it does the job well enough. If you’re going to use this heavily, it’s do not recommend.
R. Dunn
Reviewed in the United States on April 21, 2025
This is an excellent product (Ground Loop Noise Isolator) to use if you have any type of device that has unwanted sounds in the audio, such as a hum, or buzz, or stray radio signals. I bought two of these, one to plug into a TV sound bar (which had this horrible hum or buzz that started growing louder each time after I turned the sound bar on, and this device immediately fixed the problem perfectly as soon as I pugged it in to the audio line between the TV and the sound bar.. I plugged the second one that I bought into an audio cord coming out of my desktop computer that goes to computer speakers. These speakers had a hum in them, but they also picked up soft talking that sounded like it was coming from a far away radio station. This immediately got rid of all of that unwanted noise and interference, resulting in the excellent, clean sound quality that I wanted. I highly recommend these. I had tried all kinds of other things in an attempt to get rid of those audio noise problems, with no luck in the past. But this device fixed it quickly, and it was inexpensive, and extremely easy to connect.
Abdulla Khalid Al Ali
Reviewed in the United Arab Emirates on August 30, 2024
استخدمت المنتج للمكسر و الصراحه الصوات صار واضح و بدون شوشوره و انصح فيه إذا تسمع صوت كهرباء او شوشره.
Richard
Reviewed in France on August 3, 2024
Sur mon PC, j’écoute le son soit avec la sortie jack qui va vers les haut-parleurs, soit vers un casque audio. L’un ou l’autre, cela marche bien, sans bourdonnement. Quand, par exemple, je voulais passer des haut-parleurs au casque, je débranchais le jack du câble haut-parleurs pour brancher celui du casque. Pas pratique. Pour me simplifier la vie, j’ai acheté un petit boîtier, un switch auquel j’ai branché la sortie jack du PC, d’un côté, et de l’autre côté les jacks du casque et des haut-parleurs. Très pratique : je peux laisser le casque branché et passé du casque au HP en appuyant sur un bouton.Mais j’avais souvent un bourdonnement ou des bruits parasites. Cet appareil, branché à la sortie jack du PC d’un côté et au switch de l’autre, a éliminé bourdonnement et bruits parasites ! Je suis très satisfait de mon achat.Attention, je ne me sers pas du micro du casque, qui n’est de toute façon pas très bon. Pour jouer ou en téléconférence, j’utilise un autre micro.
David
Reviewed in Mexico on February 28, 2024
Lo adquirí con algo de escepticismo, pero que bueno que me decidí. Lo uso para corregir un conmutador de audio porque este genera un zumbido al conectar la segunda o tercera fuente de audio. Entre la fuente de audio y el conmutador conecto este aparato y elimina el zumbido. Para un total de 4 entradas de audio, creo que al menos 3 fuentes necesitan este aparato antes de entrar al conmutador, porque no funciona si lo conecto a la salida del conmutador, sino que debe ir justo en la entrada (este conmutador de audio tiene 4 entradas). Lo recomiendo y probablemente lo vuelva a comprar.
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