The 8 Best Audio isolation transformers (2023 reviews)

If you want nothing short of the best possible transformer for your daily usage, this besign audio isolation transformer is certainly a right investment. This fixed PC headphones buzzing sound. It is designed to remove 'noise' from the line. It gets rid of virtually all of the noise even when it is not paired to a device. This works with the rode videomic and videomic pro. It has very little sound output and also can be very noisy.

This Ground loop noise isolater is only with a 3.5mm Aux plug and it can only eliminate the ground loop noise. It is great way to eliminate cross noise and feedback.

Why We Like This:

Best product to eliminate noise from an outside source to the car radio
Compact design, removes engine whine from aux
New and hot release

Best With Monoprice tube Amp: Smof Audio isolation transformer

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Not everyone likes to purchase transformer for their daily usage, but the smof audio isolation transformer would be an anomoly. 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. It's not much bigger than a tube of Chapstick, matte black, and doesn't have any flashing graphics or blinking lights or anything else offensive. The short audio cable is detachable. 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 cord is very conveniently. It has a female socket on both ends, but it is packed with a short pigtail that makes it a breeze to insert it in-line. The device is very small and lightweight too, which makes it easy to get out of the way and tied down for road vibrations.

Why We Like This:

Super small and doesn't get in the way
Less wires, small size means less clutter
Perfect form-factor for laptop use, and not as big and ugly as others

Best For Sirius Satelittle: ZIOCOM Audio isolation transformer

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The ziocom audio 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.

The small size is much more convenient than the other models with long cords that get in the way. It has removed all ground loop noise. It is finicky and drops one of the channels in stereo. It's great with eliminating all if not most of that static noise that happens during GPU intensive games.

Why We Like This:

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 Audio isolation transformer

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Compared with other transformer in this category, the jabinco audio 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.

Why We Like This:

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 For adding An Amp: Boss Audio systems Audio isolation transformer

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Next on the list, we've got yet another transformer that manages to win our hearts. It's the boss audio systems audio isolation transformer and it's widely considered as one of the best convenient transformer you can buy. This device is designed to filter input signals, not the amplified output. It doesn't completely eliminate the interference (Windows still shows active input, even when the box is "off"), but it drops it below the hearing threshold. It not only removes any noticeable audio noise, but it cleans and tightens up all frequencies.

The outputs are the two male RCA plugs (one red, one white), and are one of the other pair of cables coming out the other end of the device. This filter will slightly alter your sound profile. It goes between the deck and the amp but stops annoying noise you may have in speakers.

Why We Like This:

Perfect for old school stereo hookups
Works to lift ground hum even in long distance cable run
Lot of satisfied buyers

Best For RCA lines: Installgear Audio isolation transformer

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The installgear audio isolation transformer is suitable and reliable and fits well with your daily usage. It is perfectly with no noise. This goes between the mixer/DJ Controller/Audio Source and the Audio Input (speaker/sound card) when using RCA. It is great to eliminate alternator noise. The noise is like a feedback from the TV to the speakers and this noise filter completely removes it. It will get rid of the noise completely. It is very easy to install, it eliminates about 60 percent of the noise.

Why We Like This:

2300 rpm, no matter the load on the engine
Eliminates ground sound from an amplifier
Effective at preventing audio ground loops
Instantly eliminated the low frequency interference noise

Best Isolator: Kript Audio isolation transformer

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We would, of course, be remiss if we didn't mention kript audio isolation transformer for daily purpose. This isolator solves that problem by providing ground path isolation between components while maintaining full frequency response. It is perfect for people on the go as it is lightweight and completely portable. It is perfect for removing the electrical noise from aftermarket stereo install. 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.

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. The low frequency of this isolator can reach 40hz, allowing for 95 % of consumers to receive distortion free audio.

Why We Like This:

Definitely does work for ground-loop noise elimination
Must have for car bluetooth adapters connected on aux input
Sound quality is pretty much indistinguishable
Lots of clicks, pops, buzzing, and hiss

Best For CB Radio: Rngeo Audio isolation transformer

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Rngeo offers a variety of transformer for personal choice and yet maintaining quality in all the variants. These ground loop isolators completely eliminate the unwanted noise. 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. The audio quality is not diminished in any way either. You can use them when you want to achieve clean, clear and uncompromised music/audio. The audio isolation transformer can help filter out buzzing, hiss and interference noise and achieve clear music.

The 3.5mm audio jacks are compatible for smartphones, tablets, laptop, mp3 player, radio or other speakers. It has no polarity to worry about when installing and they include a short m to m 3.5mm cable if you need one.

Why We Like This: