probably like 1/8 inch stereo to RCA. or something like that. look at radio shack
screwedcork Reviewed by screwedcork on . mp3 player to stereo ok heres the thing, i have an mp3 player and i have a stereo in my room. i dont want to burn a whole bunch of cd's, so is there anyway i can use the mp3 player to play my music on the stereo. i heard about those car cassette adapters but dont know if they would work.. Rating: 5