The problem is I can't get the mic to work. I can hear sound but I can't talk to anyone (when playing cs.). I'm using a splitter and that one is hook up to my xfi sound card and the other end of it I have my headset hooked up which has 2 male jacks, 1 for the sound and the other one for the mic. Any ideas what am I doing wrong? I went into windows volume control to make sure nothing was muted.The brand that I have is cyber acoustics. My stand alone mic works fine. All I do is just plug it in and it works. I don't know why i'm having so much problems with this headset mic combo. I have a regular headphones which works fine with my stand alone mic.  Any help would be great thanks. 

By the sound of your post, you are plugging the heaphone and mic male jacks, into the same female slot on your soundcard.  You sound smart enough to know that you need to plug the mic and headphones into seperate jacks on the sound card. Am i missing something here?

 trust me I've tried everything I can think of. Nothing works. I think it's some type of hardware problem