The 7 Best Aux Cable Ground Loop isolators (2023 reviews)

We consider a aux cable ground loop isolator to be a worthy investment in the long run. We are here to help you choose the right one for your purposes from all the best available products in market today.

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Our Top Picks:

Best overall: Buy: Besign Aux Cable Ground Loop Isolator READ REVIEW

Best For alternator: Buy: Smof Audio Cable READ REVIEW

Best For Sirius Satelittle: Buy: ZIOCOM Aux Cable Ground Loop Isolator READ REVIEW

Best For transformer: Buy: Smof Aux Cable Ground Loop Isolator READ REVIEW

Best For Car Stereo: Buy: Installgear Aux Cable Ground Loop Isolator READ REVIEW

Best For powered speakers: Buy: Recoil Aux Cable Ground Loop Isolator READ REVIEW

Best For filtering unwanted Ground Noise: Buy: ZGUKJ Aux Cable Ground Loop Isolator READ REVIEW

Best overall: Besign Aux Cable Ground Loop Isolator

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The besign aux cable ground loop isolator's high-end materials makes sure that it ages well with use. This isolator has completely eliminated the ground loop noise. It does remove the ground noise, but it also fades the bass on the music, good product, but bad sound quality. This works with the rode videomic and videomic pro. It is perfect for car audio. The sound quality remains good with no major loss of quality or clarity.

This device is designed to eliminate buzz caused by a common ground loop. It can actually *make* a connection with the mini stereo port, but it works fine. It is great way to eliminate cross noise and feedback.

• Best product to eliminate noise from an outside source to the car radio
• Eliminates ground noise from bluetooth plug in
• Delivers what they promise

Best For alternator: Smof Audio Cable

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Smof has been making great isolator for years, thanks to a combination of clever design and appropriate materials. Where most other isolators are tucked in enormous metal cans meant to be stuffed behind a dashboard, this one is subtle enough to be seen sitting on your desk. This product works like a charm in clearing up the sound. It reduces and eliminates buzzing caused by aux input. This noise filter does not require charging and has no built. It performs its intended function very well, allows you to charge your phone during playback through an aux cord without having to listen to your alternator's shrieking vocals.

The short audio cable is detachable. This cuts down on the noise dramatically.

• Takes away the annoying electrical hum
• Worked perfectly and completely got rid of interference noise
• More buzzing from engine noise or charging
• Tied extension cords and different circuits

Best For Sirius Satelittle: ZIOCOM Aux Cable Ground Loop Isolator

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The ziocom aux cable ground loop isolator is capable of outshining several other isolator featured in this list in overall features for the price point. If you have noise problems when charging your phone, you should definitely get one of these. It is easy to install, sound quality is excellent and does the job perfectly. The aux Bluetooth adapter would buzz all the time, and this fixed it instantly. It's great in addition to reducing noise and sound quality. It is finicky and drops one of the channels in stereo. The small size is much more convenient than the other models with long cords that get in the way. It's great with eliminating all if not most of that static noise that happens during GPU intensive games.

• More hum, no more buzz, just clean great music
• Hooks up in line without having to have it's own power supply
• Solution to hum from audio mixer
• Inside is a low cost coupling, isolation transformer

Best For transformer: Smof Aux Cable Ground Loop Isolator

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If you are looking for a suitable isolator for your regular usage, you cannot go wrong with the smof aux cable ground loop isolator. The Mof brand is determined to create electronic products that solve the small problems in your life. When using a bluetooth receiver, a ground loop filter noise isolator will help you eliminate the hissing caused by the ground loop that occurs when the audio source and the speakers use the same power supply in some car speakers/home stereo systems, hum and interference sounds. The audio filter filters out the constant-amplitude clutter or interference wave of one or several fixed frequencies to obtain a pure audio signal to be amplified and output sounds.

The Mof noise isolator is small and lightweight, so it won't take up extra space in your car or bag. It includes the G06 audio isolation transformer, 35mm audio cable, user manual, and a. It can be used with any audio device with a 3.5mm jack, including smart phones, tablets, desktop computers, mp3 players, cd players, speakers, car audio systems/home stereos.

• Good investment for long term
• One of the new comers and featured product

Best For Car Stereo: Installgear Aux Cable Ground Loop Isolator

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We would, of course, be remiss if we didn't mention installgear aux cable ground loop isolator for regular usage. This goes between the mixer/DJ Controller/Audio Source and the Audio Input (speaker/sound card) when using RCA. It is used for an automotive application, but on an onkyo surround sound receiver. It is great to filter for rca lines. If you plug this into the head unit, you will still pick up noise from the cables and have minimal to no effect on the noise you are trying to filter out. It is great for the home av system. It is great to eliminate alternator noise. It is also used for boat audio where the head unit outputs go into the amp. It will get rid of the noise completely. It is very easy to install, it eliminates about 60 percent of the noise.

• Works pretty well and got rid of most of the noise from engine
• Eliminates ground sound from an amplifier
• 2300 rpm, no matter the load on the engine

Best For powered speakers: Recoil Aux Cable Ground Loop Isolator

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The recoil aux cable ground loop isolator should be able to handle its purpose and duties with ease. This product is great for powered speakers. They are ground wire, connect to negative on the amp and chassis of the vehicle. It eliminates all of the engine noise. This device provides isolation for one of the computers, without attenuating the signal too much. It doesn’t eliminate 100%, but the interference can be heard when playing music. It is great for powered speakers.

• Sounds great and was crazy easy to install
• Utilizes proprietary audio transformers for a 1.3 db gain
• Good filter for ground loop noise
• Eliminates ground loop noise between the audio source and radio

Best For filtering unwanted Ground Noise: ZGUKJ Aux Cable Ground Loop Isolator

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The zgukj aux cable ground loop isolator is capable of outshining several other isolator featured in this list in overall features for the price point. This rca ground loop isolator is excellent in reducing the high. It can introduce hum if it's located near a power cord or power transformer. The good isolator not only cancels the noise, but also keeps the music without distortion. It can be screwed in place.

The rca audio filter can eliminate the noise generated by the home stereo or the car audio subwoofer,improve sound quality and produce better sound effects. It can be used in-line with any exiting rca audio cables. It does not reduce sound quality.

• Super simple install no wire cutting or needing to read electrical schematics
• Ability to screw it into place, important in car applications
• Wire length is just right for most applications
• Reduced the crackling and humming associated with ac power / devices nearby