Surely bigger drivers and cones = lower notes?
I'm no audio pro, so quite willing to be wrong here.
I must admit, when I had the Toledo, the Sub I use made no difference to the sound, the VAG set-up was pretty good as standard... obviously not up to the standard of a couple of thousands' worth of amp & comps etc, but still, decent. Better than what I had in the company golf a while back for sure