What combo of speakers,an amp,and a sub for a decent bass sound and clear speakers do i need for a good price?

car audio, subwoofer, speakers, stereoWhat combo of speakers,an amp,and a sub for a decent bass sound and clear speakers do i need for a good price?
you got to specify your car and what size of speakers you have now and what is your budget and how much of a sound quality are you looking for for good quality get some components speakers and an amp to power them that will give you good clear sound and well with subs then any good brand name sub will give you decent bass especially with a good amp