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Do You Know What The White Or Black Stripes On Your Earpiece Jack do ?

Do you know what the white or black stripes on your headphones or earpiece jack do ?


These mostly are on the jack that enter into your smartphone or music devices. Mostly they are white or dark rings that might look like something meant for decoration. They serve the purpose of protecting the wire that transmits sound to the headphones or earpiece. They are usually two to three rings, one for the left headphone/earpiece and the other for the right and the last is neutral.

In order words, those stripes act as insulators, each one of the white or black band is a contact for a certain wire. One will be left speaker, one will be right speaker, one will be the microphone, and one will be the ground wire. The stripes keep the wires insulated from one another.


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