are you crazy? use the 800a2, that 200 series amp will kill those he2's. Underpowering is worse than overpowering. They will sound horrible and sloppy!! You have some expensive subs there, treat them right!
Jason
00 Audi S4, 2.7 Bi-turbo quattro

01 S10 Xtreme, 4.3l
98' Contour SE with some mods
96 Cavalier (beater)