Sorry, I guess I should have elaborated more. I was upgrading my dvd player and thought there were components out there to plug in a mic. I still want to be able to have the karaoke capability, but I have been unable to find a separate component with mic inputs.
I bought a Pioneer MA-9 long time ago for $150 at a local store. This is a pretty good Karaoke processor that has key control and you can use it with any player. I think you can get it cheap from E-bay.