Your best bet would be to get an amp install kit. They come with all the necessary wiring to do the install. They are rated on how powerful of an amp you are installing.
Run the power from the battery's + to the inline fuse. Keep the fuse as close to the battery as possible but do not exceede 18" away. from here go to the amp. run your remote line from your head unit to the amp along with the power line. run the RCA's from the HU to the amp on the opposite side of the car you ran the power and remote on. (This will help prevent distortion.) Run your ground from the amp to a clean ground point. Make sure it's a good connection and keep the ground wire as short as possible. Connect the speakers to the amp.
Always disconnect the - of your battery before you connect any wiring!! Reconnect when done.
I would suggest on running either the 10's or the 12. Mixing different subs could cause cancellation in the sound.
2006 Jeep Liberty
Adire Audio, Cadence, Clarion, MB Quart
Lv = [(14630000 x R^2) / (Fb^2 x Vb)] - 1.463R
*Vb = vol. in cu"
**R = sq.rt. A / Pi (for square/slot port)