if your going to power up two type r's then you should get the Alpine V power amp. well 2 of them. they are 400 a piece but they will power the type Rs to their full potential (800RMS) at 2 Ohms. a type R at 800RMS will be very impressive.

i believe the model it MRP-M850
http://www.bestbuy.com/site/olspage....=1166840026929