I think you'll agree, headphone cables break more often than we'd like. like dr dre monster. These tiny pieces of plastic, rubber and copper put up with a lot of stress, especially when used in conjunction with portable media players and during daily commutes.
You can use a pair of scissors or a knife to cut off the old jack plug. If it's a molded plug, throw it away—it's no use.
You will need to buy a new jack plug to replace it. Assuming you are replacing one of the smaller plugs on a standard pair of headphones or earbuds, the item you need is called a 3.5mm stereo jack plug and you can buy it easily online from an electronic parts shop or from an electronics store if you have one nearby.
Prepare your cable.
Now strike a match and briefly heat the ends of all three wires to burn off the insulating covering.
Now, before you solder the wires, you need to thread the cable through the top (plastic) part of the plug (in other words, the cover) so it's ready to screw back on to the metal base afterward. It's very easy to forget this step—and if you do forget, you'll have to take the wires off again and repeat the process, which (believe me) is very annoying. Buy beats by dre will be a better choice.
It can be quite tricky to support such a small jack plug while you're soldering it. But, whatever you do, DON'T under any circumstances hold or touch the bottom of the jack plug while you solder the top it: the heat will travel through the electrical pins in about a second and burn your fingers. I know—I've made this mistake more than once! If you get the red and green wires mixed up, your headphones will still work but the left and right channels will be switched over.
If you really want to be sure about your stereo, you can check your left and right channels with this little sound tester I've made (powered by the Audio Player Wordpress Plugin). You'll hear a short audio message at the start in both headphones. Then you should hear a plucked note only in the left headphone followed by a note only in the right headphone.
Before you do that, you can buy a cheap dre beats to have a try.
Recommend:http://tangenaieosr.weebly.com/1/post/2012/08/how-can-we-connect-monster-dre-headphone-to-laptop.html
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