hey guys i'm trying to replace the two rear speakers in my 94 accord cuz they went bad and i have the stock honda CD player (it came from a 97 prelude) on the stock speakers it says 30 watts 4 Ohms do i have to go exactly with these numbers (keep in mind i dont' want to add an AMP or anything like that) so do you guys think if i put some pioneer speakers from wal-mart on it.. would it screwup my CD player....what would be the max i can go without causing any damage.