[93-240SX-COUPE]

A component system is basically the coaxial speaker (6.5"speaker) plus another smaller speaker like 3" with a crossover. Splits up the duties of a regular speaker to make it sound better. However component systems cost more usually and labor to install them almost doubles. Not to be mean but what kind of cheap radio are u using if it only pushes out 20 RMS. I hope that was a type-o or u just dont know, which is ok if u just dont. Pioneer is good but if there are some infinity speakers for the same price range pick those up instead. Most importantly, when u go buy them take a CD that u listen to alot and listen to it on a CD player that is the same price range as yours in ur car and listen to both set of speakers. At this point tell the speaker salesman to get the hell out of the room cuz he will trick u into thinking one sounds better. Make up your mind and then ask him/her which one he/she likes better. I used to work in car audio so I know how they think. Anyways hope that helped.