![I needed a ground loop isolator ASAP, so I took some old ethernet magnetics and wired them up to some audio jacks. : r/diyaudio I needed a ground loop isolator ASAP, so I took some old ethernet magnetics and wired them up to some audio jacks. : r/diyaudio](https://preview.redd.it/djsqv8edhrx41.jpg?auto=webp&s=5f2a0ad65da026709ddb4e645ffdceda49d816bd)
I needed a ground loop isolator ASAP, so I took some old ethernet magnetics and wired them up to some audio jacks. : r/diyaudio
![New Arrival 3.5mm Car RCA Amplifier Audio Noise Filter Ground Loop Isolator Suppressor 6.3 x 3.8 x 3cm Easy diy electronics|Integrated Circuits| - AliExpress New Arrival 3.5mm Car RCA Amplifier Audio Noise Filter Ground Loop Isolator Suppressor 6.3 x 3.8 x 3cm Easy diy electronics|Integrated Circuits| - AliExpress](https://ae01.alicdn.com/kf/H694c834fa4124e2e824f5cc94f1fb4f0J/New-Arrival-3-5mm-Car-RCA-Amplifier-Audio-Noise-Filter-Ground-Loop-Isolator-Suppressor-6-3.jpg_Q90.jpg_.webp)
New Arrival 3.5mm Car RCA Amplifier Audio Noise Filter Ground Loop Isolator Suppressor 6.3 x 3.8 x 3cm Easy diy electronics|Integrated Circuits| - AliExpress
![DIY car audio noise when the source device is charging from the same power source - Electrical Engineering Stack Exchange DIY car audio noise when the source device is charging from the same power source - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/oRr8O.png)