The 7 Best Ground Loop isolation transformers (2023 reviews)

We consider a ground loop isolation transformer 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.

Our review process: Show/Hide

Our Top Picks:

Best overall: Buy: Besign Ground Loop isolation transformer READ REVIEW

Best With Monoprice tube Amp: Buy: Smof Ground Loop isolation transformer READ REVIEW

Best For Sirius Satelittle: Buy: ZIOCOM Ground Loop isolation transformer READ REVIEW

Best For removing Noise: Buy: Jabinco Ground Loop isolation transformer READ REVIEW

Best Isolator: Buy: Kript Ground Loop isolation transformer READ REVIEW

Best For couple weeks: Buy: Pyramid Ground Loop isolation transformer READ REVIEW

Best For CB Radio: Buy: Rngeo Ground Loop isolation transformer READ REVIEW

Best overall: Besign Ground Loop isolation transformer

Buy on Amazon

The besign ground loop isolation transformer's high-end materials makes sure that it ages well with use. This fixed pc headphones has buzzing sound. It works with the rode videomic and videomic pro. This has an isolation transformer inside which usually does the job. The sound quality remains good with no major loss of quality or clarity. It is a great way to eliminate cross noise and feedback.

This isolator has completely eliminated the ground loop noise. It can actually *make* a connection with the mini stereo port, but it works fine. The device works well while the computer is running.

• 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 With Monoprice tube Amp: Smof Ground Loop isolation transformer

Buy on Amazon

Smof has been making great transformer 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. 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.

This noise filter does not require charging and has no built. It works with any device that has a 3.5mm jack including smartphones, pc, laptop, tablets, mp3 player, car audio system, home stereo, or other speakers.

• 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 Ground Loop isolation transformer

Buy on Amazon

The ziocom ground loop isolation transformer is capable of outshining several other transformer 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 removing Noise: Jabinco Ground Loop isolation transformer

Buy on Amazon

Compared with other transformer in this category, the jabinco ground loop isolation transformer has a convenient design. This little device completely blocks out that noise and doesn't take up much space. It blocks that annoying buzz and whistle you get from your vehicle. It's a ground loop isolator, evidently implemented here as a completely passive AC transformer. The combination of the bluetooth adapter AND this product always removes the left channel from any headset using any aux cords. It takes care of that for amazing sound and clear crisp audio without the backround noise.

You will enjoy good quality sound when using it with this ground loop noise isolator. It's perfectly, no unnecessary bells and whistles or anything. The Ground Loop Isolator takes this humming noise away completely.

• Excellent results at a very economical cost
• Very compact and small enough to be out of the way
• Perfect for noise coming from pc motherboard

Best Isolator: Kript Ground Loop isolation transformer

Buy on Amazon

We know from years of feedback from readers, customers and amazon sellers, what most people want in a convenient and appropriate transformer. The kript ground loop isolation transformer is exactly that - it's a simple transformer that hits all the right notes. This product takes up little space measuring in at just 8.5 centimeters with a weight of 22 grams. It is designed to work with any music player that outputs stereo audio over a 3.5mm jack. This isolator solves that problem by providing ground path isolation between components while maintaining full frequency response. A transformer for each of the two audio channels will pass only an ac signal and the audio output of your device will be an ac signal.

This item specifications say "permalloy core" and lists the audio band at 2Hz-20kHz +/-0.03dB with a global gain of 1.3dB. The adapter is fed from a 5V car charger plugged in one of the 12V car sockets. It can also be used with a normal car kit, complete with a bluetooth receiver/bluetooth hands-free that is perfect for use in both your car audio system and home stereo. It works well in the sprinter view.

• Definitely does work for ground-loop noise elimination
• Sound quality is pretty much indistinguishable
• Lots of clicks, pops, buzzing, and hiss
• Works great for eliminating ground loop hum

Best For couple weeks: Pyramid Ground Loop isolation transformer

Buy on Amazon

Pyramid has been making great transformer for years, thanks to a combination of clever design and appropriate materials. This item works to cut down on engine noise made by aftermarket stereos/amps,really cut down on the noise, but not completely,but still a big difference. It is covered by copper material, having high temperature and melting resistant function. It makes a loud noise like a bass pop. This little adapter cleans up the sound. It is a rapidly clicking sound at idle. This isolation circuit goes between the head unit and the amp or e. At low or high volume the sound is perfect with no hum. It is easy to install with great rewards.

• Worked well removing ground loop noise
• Superb in handling electrical noise and removing alternator whine
• Kills the noise and the bass

Best For CB Radio: Rngeo Ground Loop isolation transformer

Buy on Amazon

The rngeo ground loop isolation transformer is suitable and reliable and fits well with your regular usage. The size of ground loop noise isolator is 2.36 x 0.75 x 0.75 inch ( 0.05 lb ), compact and lightweight, easy to carry and store. These ground loop isolators completely eliminate the unwanted noise. The audio isolation transformer can help filter out buzzing, hiss and interference noise and achieve clear music. You can use them when you want to achieve clean, clear and uncompromised music/audio.

The 3.5mm audio jack is compatible for smartphones, tablets, laptop, mp3 player, radio or other speakers. It works well enough and it is supposed to be completely quiet. The audio quality is not diminished in any way either. It has no polarity to worry about when installing and they include a short m to m 3.5mm cable if you need one.

• Ground noise was effectively removed, no more constant hum
• Fixes power supply noise and humm
• Lot of satisfied buyers