Manuals & Resources

Axxess AGL3.5 3.5mm Ground Loop Isolator

Brand:|Model: AGL3.5
Ground loops create noticeable hum in home audio systems, and alternator whine (also known as engine noise) in car audio systems. Eliminate both with the Axxess AGL3.5 3.5 mm ground loop isolator, without crosstalk distortion.
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Part # 266-009
  • Eliminate system hum in home and computer audio systems
  • Remove alternator whine in car audio systems
  • Lowers the noise floor without crosstalk interference

Product Details

Axxess AGL3.5 3.5mm Ground Loop Isolator

The Axxess AGL3.5 is designed to eliminate ground loop noise (usually referred to as hum) and alternator whine over stereo 3.5 mm patch cables. Great for the car, the home stereo, and computer systems, where amplifiers and other electronics (such as crossovers and equalizers) are separate of the source. Both the 3.5 mm stereo male plug and 3.5 mm stereo female jack are attached to 11.5" long cables. Axxess' AGL3.5 does its job without the crosstalk interference (left and right channels bleeding together) common in other ground loop isolators.

Axxess AGL3.5 3.5mm Ground Loop Isolator
  • BrandAxxess
  • ModelAGL3.5
  • Part Number266-009
  • UPC086429213535
  • Product CategoryNoise Filters
  • Unit of MeasureEA
  • Product Rating
    (4 Reviews)
  • Weight0.18 lbs.
  • California Prop 65

    Warning: California residents only. Please note per Proposition 65 that this product may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.

View similar products to the Axxess AGL3.5 3.5mm Ground Loop Isolator
in the Noise Filters product category.


Axxess AGL3.5 3.5mm Ground Loop Isolator
Axxess AGL3.5 3.5mm Ground Loop Isolator is rated 3.0 out of 5 by 4.
Rated 5 out of 5 by from works just like it saysI am very happy with this purchase and would recommend to others
Date published: 2014-11-25
Rated 1 out of 5 by from Didn't workThis was a Hail Mary purchase to try and reduce electronic noise from my wireless speakers. May work for other situations.
Date published: 2014-02-24
Rated 5 out of 5 by from Engine whine begone!I used this product for engine noise and it's totally gone.Connected to the output of a XM roady XT reciver. The 3.5mm outputjack is perfect for this app. I then run the output into a FIIO mini E5headphone amp, then into my front aux 3.5mm jack. The pair makefor clean unbeatable sound!
Date published: 2012-07-17
Rated 1 out of 5 by from Didn't work for my applicationMay work for car ground loops, but didn't for my home. The audio was from a microphone. What did work was a 'video' noise filter, part # 335-340.
Date published: 2012-06-29
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Product Q&A

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who own this product or have experience with it.
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please email tech@parts-express.com  for a prompt reply.
Axxess AGL3.5 3.5mm Ground Loop Isolator

What are the dimensions of the box?

Asked by: CKWalters
The dimensions of the box itself are 2-1/8" x 1-1/2" x 1-1/4".
Answered by: MattP
Date published: 2014-11-12

Will this remove hum from my cpu audio output to my stereo reciever?

Asked by: cody1950
It will most of the time. Most hum comes from "ground loops" [2 different ground potentials "talking" to each other] and transformer hum [when power supplies are too close to venerable electronics w/o enough shielding]. There are several other causes, but barring radar etc. this product should reduce/eliminate the noise. Also, PE has a very good return policy.
Answered by: Joe from San Francisco
Date published: 2013-10-30
  • 2015-10-08T07:56CST
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