Verified answer

1- Headunit

2-tweeters to go in your dash

3-amplifier

4-1-2ohm or 2-4ohm subwoffers

5-ampkit

6-front and rear speakers

i would recommend MTX, Xtant, Pioneer, Infinnity,

Your gonna need money, time, and beer. You want a complete system or just speakers or what?

1)Headunit

2)Speakers/components

3)Sub's

4)Amps

5)Lots of wire

Those are the basics and now you pick and choose what brand you like.

first head unit then 2 pair of speakers depends for doors 6.5 back 6x9 a pair of tweters one amp one or two subs i suggest two 10's amplifier installation kit also car stereo install kit

depends on your car and budget. It all usually starts at the headunit and works around there. Some start with subs and amps and build around them so it is entirely up to you.