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Aux-Input / Line In - Ground Loop Isolator (Noise Filter)

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Sometimes when you plug your portable music player into the aux input on your car radio there is an annoying whine / interference along with the music.

SNI3.5 preamp noise filter plugs in between your radio's auxiliary input and your portable music player to help reduce noise caused by a ground loop. The filter includes a female 3.5mm input, a male 3.5mm output and 25cm of cable for each jack.


  • This noise filter is great for eliminating ground loop noise between an auxiliary source and radio.
  • Close to perfect response of +/- 0.03 DB from 2-20,000 Hz
  • Utilizes proprietary audio transformers for a 1.3 DB gain

Manufactured by Grom Audio.

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