Best Ground Loop Isolator

10 Best Ground Loop Isolator in 2022 – Reviews & Guide

A ground loop isolator is an electronic device that is used to break the ground loop. It can be used in audio/video systems, car sound systems, and home theater systems. If you are experiencing humming or buzzing noise, it is a sign of a ground loop. This article will provide you with the best ground loop isolator reviews so that you can choose the best one for your system.

This device is also known as a ground loop hum eliminator. Ground loops occur when the current flows through different paths to reach the ground. The circuit gets completed without any need for a direct connection between two sources. The resulting hum or buzz is highly annoying and distracting.

It also degrades the video quality, which makes it impossible to watch TV or movies on your system. A ground loop isolator breaks this circuit and prevents grounding currents from interfering with signals. This ensures clear audio and video quality, free from any noise or distortions.

A good-quality isolator should not introduce any distortion to the audio signal even when it has limited bandwidths. It should also have appropriate input and output levels so that it can work effectively at all times. To ensure proper operation and safety, it should also have safety fuses installed in it to protect against power surges.

A ground loop isolator is designed to cancel out electrical interference between audio components, such as your car radio and your mobile phone. You’ll see that the mobile phone is a huge culprit in causing this annoyance.

This is because the radio signal and Bluetooth signals on mobile phones are much weaker than the electrical interference signals from within your car.

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So, if you have ever noticed how your songs skip when you’re using your Bluetooth speaker, or how the sound on your car radio sounds choppy and full of static, this would be why ground loop noise isolator technology was created.

Do ground loop isolators really work?

There is a common misconception that ground loop isolators do not work for everyone. Some people have their own experiences about the effectiveness of ground loop isolators, and thus conclude that it does not work for everyone.

The truth is, ground loop isolators do work for everyone if you use the right one.

A ground loop isolator is an electronic device that connects to an audio source and its output device. It has 2 inputs and 2 outputs, one for each channel of your stereo system. It works by applying an electrical DC voltage on the signal lines in order to cancel out any AC voltage caused by ground loops. There are several types of ground loop isolators, but the most commonly used type is a differential mode transformer.

Some people have had bad experiences with ground loop isolators because they used the wrong type of ground loop isolator. For example, if you are using an audio source that outputs a balanced signal (one where both wires are at exactly the same voltage level), then you would need to use a differential mode transformer to cancel out the AC voltage caused by ground loops from that signal source.

1.Earthquake Sound GLI-200 Hum and Buzz Kleaner 600 Ohm RCA in/Out Ground Loop Isolator

Best Ground Loop Isolator
Product Dimensions1.35 x 3.32 x 2.85 inches
Item Weight7.7 ounces
Item model numberGLI-200
Customer Reviews3.8 out of 5 stars    133 ratings
3.8 out of 5 stars
Best Sellers Rank#15,216 in Electronics (See Top 100 in Electronics)
#22 in Car Multichannel Amplifiers
Date First AvailableOctober 16, 2019
ManufacturerEarthquake Sound

The problem with ground loop noise is that it is a very generic term that covers all sorts of problems. In some cases, it can be the cause of a buzzing noise that emanates from the same home that your audio system or a subwoofer in your vehicle’s audio system is in.

An example would be when a refrigerator or car stereo causes a pulsing hum to come out of an A/V receiver, and in some cases (depending on how sensitive the audio system is), this could end up sounding like an AC hum on the audio speakers.

2.Golvery Ground Loop Noise Isolator

Best Ground Loop Isolator
Product Dimensions2.36 x 0.71 x 0.31 inches
Item Weight0.769 ounces
Item model numberGround Loop Noise Isolator
Customer Reviews4.2 out of 5 stars    159 ratings
4.2 out of 5 stars
Best Sellers Rank#66 in Car Amplifier Noise Filters
Is Discontinued By ManufacturerNo
Date First AvailableJanuary 1, 2017

Ground-loop noise isolator (also known as a ground loop isolator, or G.L.I.) is designed to eliminate hum and buzz caused by ground-loops in audio systems.

It works by using a transformer to isolate the grounds of the source and device, preventing current from flowing through the ground loops.

Have you ever played your favourite song on your guitar amplifier, turned the volume to max and heard a buzzing sound, or a faint hum? If you have then it is most likely caused by ground loop noise.

3.Conext Link AD104 RCA Stereo 2 Channel Ground Loop Isolator Signal Noise Filter Suppressor

Best Ground Loop Isolator
Item Weight‎3.5 ounces
Package Dimensions‎4.72 x 4.45 x 1.5 inches

Audio equipment requires connectors which can interfere with one another, particularly in terms of the ground electrical signal.

Conext Link AD104 RCA Stereo 2 Channel Ground Loop Isolator Signal Noise Filter Suppressor is a ground loop isolator that prevents trouble between audio sources and amplifiers due to signals interference.

This ground loop isolator features an effective design that also guarantees its performance. With this product, you can be sure that all unwanted hums, buzzing and crackle will not disturb your audio equipment.

4.DS18 NF1 Professional RCA Noise Filter

Best Ground Loop Isolator
Product Dimensions6.7 x 4.92 x 1.85 inches
Item Weight2 pounds
Item model numberDS-XM3
Batteries1 12V batteries required.
Customer Reviews4.3 out of 5 stars    375 ratings
4.3 out of 5 stars
Best Sellers Rank#43,230 in Electronics (See Top 100 in Electronics)
#62 in Car Amplifier Equalizers
Other display featuresWireless
Date First AvailableMarch 1, 2014

The DS18 XM3 is a 3-Way Active Crossover w/ x20 Frequency Multiplier Switch that dives deep into the frequencies to individualize your subwoofers.

Active crossover design offers precise system control for varying speaker impedances, and also automatically compensates for power shelf slopes. System design can be optimized when speaker components vary from flat to peaked wavelengths.

A subwoofer phase switch alters the sound stage for accurate imaging from an on-wall or free field installation. The let-down frequency can be anywhere from 20Hz – 1000Hz, and a detente frequency selection (0-180 deg. ) will allow you to fine-tune crossover points for best sound.

5.Pyle Compact Mini Hum Eliminator Box

Best Ground Loop Isolator
Item Weight7 ounces
Product Dimensions4.5 x 5.25 x 2 inches
Domestic ShippingItem can be shipped within U.S.
International ShippingThis item can be shipped to select countries outside of the U.S. Learn More
Item model numberPHE300
Customer Reviews3.9 out of 5 stars    441 ratings
3.9 out of 5 stars
Best Sellers Rank#2,590 in Musical Instruments (See Top 100 in Musical Instruments)
#4 in Guitar Amplifier Parts
Is Discontinued By ManufacturerNo
Date First AvailableJanuary 31, 2013

When I bought this device I was not sure about what to expect from it. What it did do was remove the hum from my signal. I noticed I was getting a lot of noise when I used my microphones in certain areas where there seems to be a lot of electrical activity going on.

When the AC filters were installed into the process, all that noise was eliminated making my recordings clean and clear. I notice now that the hum has been removed, it also eliminated some other noises in the background as well.

If you are looking for a way to eliminate electrical noise from your recordings, this is a great way to go.

6.Vosarea Ground Loop Noise Isolator

Best Ground Loop Isolator
Item Weight3.00 ounces
Number of Items1
Part NumberS28167J1094QFCJV1

All too often, the bass amp’s cable interconnects will pass through an audio board and create a ground loop error due to multiple grounds. This phenomenon is especially prominent in the stage speaker ground wire cables.

Being connected to both the integral equipment ground of the amplifier/controller and the included grounding cable that is often used, results in 50% of the fault current that must flow, flowing through GND_CARRIER and thence to chassis ground.

7.JacobsParts AP3054 50W 4-Channel RCA Stereo Ground Loop Isolator

Best Ground Loop Isolator
Brand NameJacobsParts
Connector TypeRca
Number of Items1
Part NumberAFILTER-D
UNSPSC Code54100000

If you’re a home theatre enthusiast that’s looking to improve the sound from your audio components, then you’ll probably have to deal with ground loop issues. Ground loops can cause a variety of issues with televisions and audio receivers such as buzzing, humming and overall interference.

To avoid these problems, there’s a simple solution. The JacobsParts AP3054 4-channel RCA ground isolator brings noise elimination and isolation together into one complete solution.

8.BOSS Audio Systems BOSS Audio B25N Car RCA to RCA Ground Loop Isolator Noise Audio Filter (4 Pack)

Best Ground Loop Isolator

Looking for an easy way to fix ground loops? You need a Boss Audio B25N. This ground loop isolator noise filter features two channels and RCA connections, making it compatible with any audio system.

Simply plug it into your car’s cigarette lighter adapter, then connect your receiver, CD player, or whatever else you are using and you’ll have clean sound in no time.

9.Stinger Select SSGLI Ground Loop Isolator

Best Ground Loop Isolator

Eliminates annoying ground loop induced hum from the audio signal when using RCA cables to connect your radio to sound system. Ground loops occur when the left and right channel grounds are connected together with a wire somewhere in the audio path.

If these grounds are allowed to “float independently”, they will produce a ground loop signal at a frequency equal to the signal being played through your stereo – ground loops can be virtually eliminated by utilizing this ground-loop isolator’s capacitive nature.

10.ZIOCOM Ground Loop Noise Isolator for Car Audio and Home Stereo System with 3.5mm Aux Audio Cable

Best Ground Loop Isolator

Noise is one of the common problems people complained about with their car stereos or audio receivers.We usually find it from high level of illumination, resonance filter,high pass or bass control,etc as well as from ground loop.

The ground loop noise emanated from two pieces of equipment’s connected by a power line which are grounded at different points. So what is the best way to fix this problem?Ground Loop Noise Isolator could be the ideal solution.