i had this thought and this is what i had in mind
i either get a 2ch amp stable at 2ohms, and bridge 2 12" subs at 4 ohm and make them 2ohms, wire speaker wire from one sub into the other sub then to the amp, then with the 2nd channel wire another 2 12" subs at 2ohm and have 4 subs all up,
or...