However if you have spent a lot on a high-end set which without warning stopped working, you can consider switching the headphones plug to find out if that's the setback.
In many cases the headphone wiring connections will weaken from the plug over the years, so bonding the wires to a replacement headphone plug might make your headphones work again. Learn how to master a soldering iron prior to starting this endeavor.
Things You'll Need
New headphone plug
pair of scissors or blade
Lighter
pair of pliers
Soldering iron
Black Electrical tape
Take off the old headphones plug at the end of the headphone wires.
Peal the electrical wire insolation off the headphone wires so there is about a 1/2 inch of bare wire exposed.
There will be a red wire, a green wire, and two bare copper wires.
Separate the red and green wires. Wrap both copper wires together and create one bare copper wire.
Using your lighter, put the end of each wire through the flame for a few seconds.
Take off the metal part your new headphones plug. Precisely wind the 3 wires into the bottom of your new headphones plug in order for the three wires come out the other end of the rubber boot.
Set the metal part of the headphones plug in your pliers to hang on to when soldering or affix the metal part of the headphones plug to a workspace to keep it secure.
Solder the headphone wires to the devices at the bottom of the metal part of the new headphones plug. Solder the one copper wire to the larger, outside connecting part.
Solder the green wire to the center connector. Solder the red wire to the end connector. Permit the new solder to cool off.
Take the metal part of the headphones plug out of the pliers or off the table. Tighten the headphones plug two pieces together.
Use black electrical tape to fasten the bottom of the headphones plug to the wires, check that there are not any exposed wiring.