After reading 4 or 5 different guides. I just broke off pin 4 from the 4 way connector that came with the pro as instructed in this post.
http://forum.ppcgeeks.com/showthread...+out+cable+diy
Then just plug in any 4 prong 3.5mm video cables (ipod, zune, video camera). no cutting no splicing.
you loose headset functions and just audio out if that a big deal go ask sprint for an other they will give u an other (in my experience).