[McPanse]

I received a 4-pin male to female XLR power cable from Markertek today that I mistakenly believed I could used as an extension cable for my HE-5LE headphones and aftermarket speaker tap. It didn't work and disassembling the Neutrik connectors showed why -- there are only two wires inside the cable, one read and one black.
 
I've decided to spend New Year's Day (RadioShack is open) trying my hand at a DIY fix.
 
Here's my plan: solder two lengths of narrow-guage speaker wire to the four pins using the schematic from HiFiMan, reassemble the Neutrik connectors and call it a day.
 
Can any experienced DIYers out there tell me whether I'm on the right track?
 
I have plenty of speaker cable around the house, so I figure all I need is a soldering iron, some solder and possibly some heat shrink cable if I want to make the finished product look spiffy. Otherwise, I might just braid the speaker wire for that boutique cable look.
 

 

[FallenAngel]

I'd recommend starting from scratch with some 24awg silver plated copper cable (cheap and easily available on ebay).

 

[McPanse]

It took me 90 minutes and left me with a small second-degree burn on the back of my thumb, but the cable is built and it works. Sounds the same as my HD-5LE stock cable and aftermarket speaker adapter, so I'm pleased with the results (and the cost).