I have the following set-up:
Head Unit: (1) Pioneer DEH-1300MP
Front: (2) 5.25" JL C2-525x 2-ways (60W RMS)
Rear: (2) 6"x9" JL 690tx 3-ways (70W RMS)
Sub: (1) 12" JL CP112W0v2 ported/ enclosed (300W RMS)
Amp: (1) JL XD700/5 (At 14.4V: 4 x 75W, 1 x 180W)
I spent 20+ hours custom installing...