toss up but id say idq, box would really decide it though. Id go with idq's if space didnt matter and idmax if it does

 

idmax's are sexy.

depends on space and power


but i say idmax all the way

 

Depends on ported/sealed. I would probably go with the Max either way.

 

I am pondering this also for a build. But I am going with either a IDQ12V3.D2 or IDMAX12-D2. Sealed, basket out of box (Only way I can fit it.lol) I am probably going with the IDQ though

 

The very fact that it's two subs vs. 1 sub might favor the 2 idq's. With 2 subs you get coupling, which amplifies the bass more so than a single sub would, even if that single sub was fed twice the power. There's a snippet about that on the Q-logic website.