Instructables

Step 1: Supplies

To make this cord all you need is:

Two RCA cables (These are the yellow, white, and red cables. You can get these for under $2.)
3.5 mm Audio Plug (This it the plug on the end of your headphones. You can cut it off a pair of ear buds or headphones. You can also buy one at radio shack)
Solder and soldering iron (Optional, If you don't have one then you can use tape to connect the wires).
Electrical tape
Scissors or wire strippers

Step 2: Making It

Picture of Making It
Follow the circuit diagram to make it. If you are using a 3.5 mm audio plug from a pair of headphones then there are four wires coming from it. Two are grounds for each of the RCA plugs and one is the right channel and one is the left channel. For my headphones the right and left channels were in green and white insulation while the two grounds were bare copper wires.
 

Now it is time to plug it in and listen to your music!
 
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I did try to put my home sound system working , by linking my PC and speakers. I does not work. Do I need an amplifier?

philip421 year ago
Simpler solution. Go to Dollar Tree. Give them $1 plus sales tax. Take cable home.
mshbi (author)  philip421 year ago
Haha. Good idea but my local dollar tree didn't have any.