This item eliminates ground loop noise between audio source and radio.
Works with car or home stereos.
Also really popular with motorcycles.
Works with any portable device that has 3.5mm audio jack.
1.3dB gain audio tranformers
Improvement of +/- .03db at 20 - 20,000 HZ
Stops DC current in the RCA cable path
Please note:
This filter can only remove or reduce audio noise and may NOT remove all problems of noise. If noise is caused by power circuit, you will need a noise filter for power wire.