I have an Alpine CDA 7873 v drive 50wx4 car stereo, an older MTX Thunder series 6304 4 channel amplifier, 2 10in memphis 15-mc104d subwoofers (in a box), 2 Hertz ECX130 100W 4OHM 5in speakers, and 2 6x9 Hertz ECX 690 200w 4ohm speakers. I also have an MTX RT-X02A crossover if i need it. I need...