I am looking at getting 2 12" type r's and I am not sure if I need to get the 4ohm or 2 ohm to wire them both down to 1ohm. Can you guys help me out here? I am thinking about geeting this amp
http://sonicelectronix.com/item_12211_Hifonics+BXi+1608D.html
http://sonicelectronix.com/item_12211_Hifonics+BXi+1608D.html