Top 8 Ground Loop Isolator – Car Amplifier Noise Filters

As an Amazon Associate I earn from qualifying purchases.

1. Mpow


Mpow Ground Loop Noise Isolator for Car Audio/Home Stereo System with 3.5mm Audio Cable Black

Mpow #ad - Working principle : the working principle of this noise isolator is to achieve a clear speech/music by eliminating the current noise in some car speakers / home stereo systems. Eliminating buzzing noise : eliminating the buzzing noise, caused by ground loops which happens when the audio source and the speaker use the same power source in some car speakers / home stereo systems when using the Bluetooth receiver.

Note: the ground loop isolator connect to the AUX Jack in car to eliminate noise. You will enjoy good quality sound when use it with Ground Loop Noise isolator. Compact and portable : being so mini and light-weight 2.

01*059*059 in, 099 oz, this little gadget does not take much space and can be easily taken away. Compatible models : works with any portable device that has 3. 5mm audio jacks, for your Car Audio System/Home Stereo, when grounding issues persist. Also used with a bluetooth receiver/Bluetooth Hands-free Car Kit in your Car Audio System/Home Stereo.
BrandMpow #ad
ManufacturerMpow #ad
Height2.95 Inches
Length4.65 Inches
Width0.79 Inches
Part NumberMA1
WarrantyEvery Mpow product has a 45-day money back and 24-months warranty.



3.5mm Audio Cable Included, AUKEY Ground Loop Noise Isolator for Car Stereo Systems and Home Audio Systems

AUKEY #ad - Working principle: filters out noise instantly for clear, uninterrupted, uncompromised sound by eliminating the current noise in some car speakers / home stereo systems.

Plug and play: nifty little gadget that just plugs in; no other setup needed. Package contents: aukey gi-l1 ground loop isolator, user Manual, 3. 5mm audio cable, 24-month Product Replacement Warranty and Friendly Customer Service. Wide compatibility: works with any audio device that has 3. 5mm audio jacks, for your Car Audio System/Home Stereo, when grounding issues persist. Eliminating buzzing noise: eliminate hiss, buzz, and other background interference caused by ground loop noise. Designed to improve sound quality on car stereo systems and home speaker systems when the audio source is physically connected by 3. 5mm audio cable.
BrandAUKEY #ad
ManufacturerAUKEY #ad
Height0.8 Inches
Length2.3 Inches
Width0.8 Inches
Part NumberGI-L1-US

3. RadioShack


RadioShack Audio System Ground Loop Isolator Electric hum noise reducer

RadioShack #ad - Improves the clarity of multiple-component sound system by reducing electric hum from within your home or engine/altenator noise from your car. Gold-plated connectors enhance performance and resist corrosion. Mounts easily without screw or hardware. Works well without diminishing audio quaility. Includes y-adapter with 1/8" mini plug for use with a portable device such as an MP3 Player or Smartphone.
BrandRadioShack #ad
ManufacturerRadioShack #ad
Weight0 Pounds
Width3.8 Inches
Part Number2700054

4. Smof


Smof Ground Loop Noise Isolator for Car Audio/Home Stereo System Eliminate The Buzzing Noise Completely with 3.5mm Audio Cable, Black

Smof #ad - Worry-free after-sales smof ground loop isolator is of excellent quality, you can rest assured to buy. Suitable for car bluetooth adapter, Bluetooth Hands-free Car Kit, Bluetooth Receiver for Speakers / Home Stereo. Compact ground loop noise isolator, portableno other setup, being so mini and light-weight 2.

36 * 078 * 078 in, 076 oz. Suitable for multiple devicescan be directly used with any audio receiving device with 3. 5mm aux jack, headphones, home stereo, including PC, Tablet, Speakers, Car Audio System, Nintendo. Upgrade sound of bluetooth receiverinsert smof ground loop isolator between bluetooth receiver and AUX audio receiving device to get better sound quality.

Plug n play, no battery. Tiny gadget to improve sound qualityinsert somf ground loop isolator between audio source and AUX audio receiving device, buzz, Eliminate hiss, and other background interference caused by ground loop. Products with any problems during the warranty period can be replaced with new ones, we provide a 2-YEAR quality guarantee, and you can return them directly through Amazon. The diameter is only half of 25 cents.
BrandSmof #ad
ManufacturerSmof #ad
Height0.79 Inches
Length2.44 Inches
Weight0.04 Pounds
Width0.79 Inches
Part NumberG01
WarrantyEvery Smof Product includes an 12-month, worry-free Guarantee from date of original purchase.

5. BOSS Audio Systems


BOSS Audio Systems Ground Loop Isolator B25N noise Filter for Car Audio Systems

BOSS Audio Systems #ad - Dimensions: 3. 4 x 1. 5 x 1. 5, unit weight:. 30 lbs. Same thing if you have added stiffening capacitors, go to a separate ground for the cap. Reduces high pitched Whine Alternator Noise caused by the car's electrical system. Always use high quality RCA Cables for your Audio System. Ground loop Isolator Noise Filter. Tips: ground each amplifier independently.
BrandBOSS Audio Systems #ad
ManufacturerBoss Audio Systems, Inc. #ad
Height1.5 Inches
Length3.38 Inches
Weight0.25 Pounds
Width1.5 Inches
Part NumberB25N

6. iFi


IFi iDefender+ External USB Audio Ground Loop Eliminator C to A

iFi #ad - Available in 3 connection versions: usb a input to A output, USB C input to C output, USB C input to A output. Remove unwanted noise - silence buzzing caused by unwanted ground loops from your audio chain at home or in your car sound system.

Note: the idefender+ is only a solution for noise generated by having too many grounded devices in your audio chain. Room for more solutions - use an ipower 5v power supply sold separately into the side USB C port for clean DC power on USB powered devices. Not to worry, other 5V power supplies used will benefit from additional noise filtration. Improve sound quality - significantly reduces system noise floor and increases dynamic contrast, warmth and resolution in your music with a measurable difference.

Defend against too many earths - disconnects the USB power from the PC, laptop, or other USB music source to eliminate multiple earths which cause noise interference. If the noise is created by any other source, we’re happy to help discover an alternative. Retains USB 3. 0 high speed data transfer technology for optimal signal transmission.
BrandiFi #ad
ManufacturerAbbingdon Music Research #ad
Part NumberiDef+

7. FYL


2-Channel RCA Audio Noise Filter Suppressor Ground Loop Isolator Car Stereo 50W

FYL #ad - 100% brand new, High Quality. Connectors: 2x rca male, 2x rca female eliminates humming and buzzing due to ground loop issues Filters out DC current in the signal path Passive in-line device Gold plated connectors Rated input: 50W Peak input: 100W.
BrandFYL #ad
ManufacturerFYL #ad

8. Metra


Metra AX-MGLI01 Mini Ground Loop Isolator

Metra #ad - Inputs and outputs can be reversed for installation at radio or amplifier. Universal application. 2-channel RCA connection. Mini ground Loop Isolator. Eliminates engine noise by isolating ground loops.
BrandMetra #ad
ManufacturerMetra #ad
Height1.25 Inches
Length7 Inches
Width2.75 Inches
Part NumberAX-MGLI01
WarrantyNot applicable