Amp for two alpine type-r 12 manual

2 Alpine type r 12 inch. Technical Forums. In-Car Entertainment (ICE). Salam everyone , i need suggestion , i am planning to get two alpine type r with mono amp of solid audio , so will that Do not know about 2 Type R, but Type X can hit 135 DB. Its build quality is near perfect and it can take on so Alpine is proud to announce the introduction of the new R-Series Subwoofer lineup that is built off the highly esteemed Type R platform. Owner's Manual. Type-R subwoofers have been known for their power handling, clean output and deep bass excursion at a mid-line price. alpine type r 12 dual 12 sub enclosure. I have 2 Alpine Type R 12's. They are ran off a Planet Audio PL4000.1D amp at 2 ohms. I need a new box as I think the one I have is inadequate. Or a 12" Type-X with a 1000 or 1200w (pdx) amp. I would like the 15" because it can produce lower lows for accuracy and bass drops and would be cheaper than 2 subs but I'm confused about the amp and the Type-X is supposedly better.