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Step 2Destroy the Headphones

Destroy the Headphones
Cut one of the earphone off and carefully strip back the wire. You'll notice some strands of wire. One will be a different color (red or blue). Separate the colored strand from the others.

The colored strand carries the signal while the other strands are the common ground. You'll need to strip off the insulation. There are two ways of doing this. You can lightly sand the wire, but you risk breaking it, or you can burn it off. The enamel will burn off readily, but if you burn it too long the wire will melt.
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Author:falconphysics