Audio Systems: car speakers, jvc kd g310, blue lable

Question
i have a Jvc kd-g310 cd player new and my front speakers are pyle blue lable 4x6 3 way Triaxial speakers 240 watt max power and my front left speaker is blown i think it sounds like it is rattling when the base goes up. i was wondering what kind of speakers i should get(3way, how many watts do i need, and is any brand good)any tips would be helpful. thankyou  

Answer
for powered systems, you really need to have a seperate amp for sub, and set the x-over around 160hz to keep lower bass out of the 4x6's. that will keep them from rattling. at lower levels your present system probably sounds good, but you want volume, get a sub and amp...g....