wiring 6 ohm

Hello All, I have been doing subwoofer work for a while but figuring out proper amplifiers to use always gets me stumped. This time its not something as easy as usual so I came here to beg for help. I purchased a box with two Audiobahn ALUM15Q subwoofers. The specs are: Dual 6 Ohm 3 Ohm or 12...