How should I wire 2- Alpine Type R DVC 4 ohms subs to a JBL 1200.1 mono amp that makes 1200 watts RMS at 2 ohm

I have 2- 12" Alpine SWR-1242D, more commonly known as the Type R 4 ohms subs and a JBL 1200.1 amp. I know the Type R's are rated at 500 watts RMS and the JBL amp is listed at 1200 watts RMS at 2 ohms. I realize that I will need to turn down my amp a bit but how should I wire it so I can get 500 watts RMS per sub.