Hey all. I am a poor college student and still have my original Klipsch 4.1's Currently I am only using them as a 2.1 setup as my cheap ass has the other 2 speaks in the living room of my apt as rear speakers for the television. When I am gaming or watching movies at night I like to use my headphones as to not piss off the neighbors but these old speakers do not have a headphone jack. I am gonna try to "mod" my own headphone jack in there so I wont have to keep gettin to the rear of the comptuer and swappin out the jacks needed for each setup. Has anyone tried this? No matter what I figure it would be a fun project but just wanted to get some opinions and see if anyone has ever attempted anything and what I should look out for. I am hopin it will make things much easier for me and even able to control headphone volume from the Klipsch speaker mounted module instead of alt-tabbing or esc outta games.