line in converter directly to amp???

[drummin89]

Im far from actually doing anything stereo wise in my truck but I was just planning out and thinking what I might want. I got to thinking how much I really use a cd player or radio, which isn't much at all. Im my daily driver, the factory head unit has a auxiliary input which I plug my MP3 player into, and thats all I ever use. So my question is, to keep stuff clean and keep from having crap Ill never use, is there such thing as a line in/aux input converter that has 4 speaker outputs that can be wired directly to a 4 channel amp. I picked up a monsoon amp out of a GM car at the local yard. This way there would be no head unit, just a headphone jack either on or hidden under the dash somewhere that I plug my MP3 player into.


Sorry for being somewhat long


thanks!