Is 12 Chan Legal Is It Possible To Wire Four 12" DVC Subs With 4ohm Into A 1ohm Load?

Is it possible to wire four 12" DVC subs with 4ohm into a 1ohm load? - is 12 chan legal

You want to use Memphis pr1000d if it helps someone, here are some numbers:
Chan RMS power (4 ohms) 300 watts x 1.
Chan RMS Power (2 ohms) 600 watts x 1.
RMS Power (1 ohm) 1000 watts x 1 chan.