The 6 Best DC Ground Loop isolators (2023 reviews)

If you are looking to buy an all-around great isolator for your daily purpose, smof dc ground loop isolator is the right option. This is literally the best thing to get if you use aux for your car and your phone. 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. The cord is very conveniently very slim to fit into a phone even with a very narrow opening at the headphone jack. It reduces and eliminates buzzing caused by aux input.

The device itself is extremely well-made and aesthetically it looks good as well. It has the function of eliminating noise, and it will make your stereo sound great again. This product works like a charm in clearing up the sound.

Why We Like This:

Works very good eliminating all static
More buzzing from engine noise or charging
Super small and doesn't get in the way

Best For adding An Amp: Boss Audio systems DC Ground Loop Isolator

Buy on Amazon

The boss audio systems dc ground loop isolator is satisfactory and appropriate and fits well with your daily usage. It is great for adding an amp to an av receiver with no pre-amp outputs. It goes on the speaker wiring. It is designed to be used with amplified speaker output signal's. It goes between the deck and the amp but stops annoying noise you may have in speakers. It is easy to install and the performance of it is very good.

It is perfect for subwoofer installation on stock radios. There are 3.5mm input jacks in every room, and the cable travels all the way to the basement, together with several ethernet and coax cables. This filter will slightly alter your sound profile. It also doesnt require any power.

Why We Like This:

Reduced alternator whine to a tolerable level
Perfect for old school stereo hookups
Delivers what they promise

Best For mic Input: Kript DC Ground Loop Isolator

Buy on Amazon

The kript dc ground loop isolator should be able to handle its purpose and duties with ease. This Ground Loop Isolator is exactly what's needed to connect a pair of AC powered speakers to an AC powered laptop computer. It provides a full sound frequency of 20hz to 20khz. This is perfect if you have any buzzing sound with the nintendo switch. The good isolator not only cancels the noise, but also keeps the music without distortion.

The Kript HIFI ground loop isolator eliminates all of the noise and preserves the audio quality. This unit however makes no perceivable difference in sound quality. It works without degrading bass. This is designed for mic input and headphone monitoring output at the same time.

Why We Like This:

Clean sound, deep lows, and great sound quality
Easily audible on the low end of the frequency spectrum
Bi-amped and very loud for 30w
Excellent performance on eliminating the ground loop noise and keeping the audio quality intact

Best For Car Audio: Ekylin DC Ground Loop Isolator

Buy on Amazon

We would, of course, be remiss if we didn't mention ekylin dc ground loop isolator for regular usage. This little part completely removes that voltage sound from the radio/stereo unit. It is made by metal, reliable and strong capacitors. It connects between the car’s accessory power (which is OFF when radios should be off) and the power source cable of the head unit. This filter will filter up to 24 gauge wire. The whistle shifting with the engine RPM is pretty notable. It is supposed to reduce all outside electrical interruptions by adding a second ground.

These are 35v rated caps and also it is plugged in to ac power. The build quality is pretty rough and they only use a 16V rated capacitor.

Why We Like This:

Reduce 75% of the whining noise from alternator
Delivers what they promise

Best For home: Conext link DC Ground Loop Isolator

Buy on Amazon

The conext link dc ground loop isolator's high-end materials makes sure that it ages well with use. It works well for reducing engine buzz. The female side allows the existing cable to be used by unplugging the rca cable from the amplifier and plugging into this noise filter and then the noise filter male connectors plug into the amplifier. This isolator removes the buzz completely. It reduces the ground loop noise significantly, but it does not completely eliminate the noise.

It works well can be used mono only 1 in 1 out or both in stereo or 2 in stereo 1 out connector to mono.

Why We Like This:

Eliminates humming and buzzing between audio source and amplifier due to ground loop issues
Filters out dc current in the signal path
Cylindrical metal case with heat shrink tube

Best For transformer: Zdmyy DC Ground Loop Isolator

Buy on Amazon

The zdmyy dc ground loop isolator is specially designed for your regular usage and has all useful features. This ground loop isolator is designed to break a ground loop when it occurs over the. It is easy to install and it eliminates about 60% of the noise. When you install an amplifier and new speakers in your car, the filter helps to significantly reduce engine whine in your car audio system without annoying and unwanted noise. It is a product that solves the noise generated in the electrical network.

The ground loop noise isolator is easy to install, plug and play when the wiring is correct, and isolate current noise. The build quality looks pretty good. It is easy to install and work perfect. It is for more critical applications you will want to evaluate whether this unit impacts your frequency response.

Why We Like This: