dood, while you're taking back the $20 piece of crap, go check out the car audio section. last year i got a jvc indash cd player with cd changer controls, two sets of amp outs, fold down face, and aux in on the front for around $150 including installation (note: i had to fix the install to my liking when i got it home - but the guys at bb did a decent job, but not awesome). This thing can do everything, i can even change the amount of volume my subs put out.
i think its well worth it in the long run. plus it reads cd text, so when i back up my cds and keep them in my car it says the cd title, band title, and song title when the cd is playing. very nice.