Originally Posted by Liang
You can run the wire through the end of the armrest (between the hinges). Just place the armrest at the correct angle and you can easily wire it through.
That's what I do, but it still gets crushed over time. I still think there should be a hole or something between the hinges. I'm using a Monster cable, as it's the one I've found that reduces the most white noise. It's a round cable so it's getting its fair share of abuse from the arm rest.