Upgrade dr 2 way ke 3 way

Agan2 pakar Modcom

Mohon dibantu nubie...
Punya spec

HU Alpine ILX207
Midbass Hertz HSK 165
Tweeter ST25 ( bawaan Hertz ) atw mo pk Vifa XT25SC90
Midrange Vifa MG10 atw Cello RM10 ( msh nyari )
Sub aktif Rockford P300 10 inch
Power Amp Blaupunkt GTA 470 DSP 4 channel (4 x 70 watt)
Prosesor antara Audison bit Ten atw Mosconi 4 to 6 ( msh cari )

Sy mo upgrade ke 3 way .... main pasif atw aktif atw campur aja ... sy gk paham.... Hehehe :D
Apakah bisa dan cukup specs saya ... ?? Apa hrs pakai 1 Amplifier lagi ?
Mohon dibantu agan2 gimana cara nya supata maksimal...
Many thanks