are there 3 sets of speakers in my s10???

i see a set inthe dash a set on doors and a set right above the midgets seats in the cab area. So wat size are they? upgrading to alpine gotta match the deck. You can also msg on ps3 name..ChucK---

http://www.crutchfield.com/cgi-bin/autoinfo/autoinfo.asp?lp=%2fapp%2fCar%2fMyCar.aspx

Crutchfield will tell you.