2 12" MTX terminator subs and kenwood amp Q's?

the amp puts out 900w x 1ch@2ohms and the subs are 600w@2ohms max power and 200w rms@2ohms... is this good enough, overpowering or under powering?....first of all it is a kenwood KAC-9105d 1800 w max... secondly they are the 2 12 in abox terminator package... anyways is this a two channel amp? because the pictures show 2 channels and the information shows 1 channel... if it isnt 2 channel how do i hook it up to 2 subs... like what is it called? please tell me what you know about this... and thank you please only answer if you know what youre talking about