5 of the speakers are combo tweeter/midrange. This is not including the additional 8 tweeters and 8 midranges in the doors. With only two woofers and a subwoofer, this creates a very bright system and I would really hesitate to have the treble/midrange settings above the middle mark for many people.
Sitting in the back seat, I made this adjustment with the eq, surround mode on, and the fade slider 1-2 clicks back. It seems to have filled out nicely.
I imagine one could get creative and purchase the land cruiser rear door woofers where we currently have blanks on ours and connect it to fill...
I've been messing around with the system, using a few measurement microphones and seeing how this thing was tuned. If you've used grado/beyerdynamic headphones, this is a very similar sound signature. A lot of bright highs (which goes hand in hand with the amount of midrange/tweeters that are in...
Glad to meet everyone! Just purchased a nori green OT+. Car has been running smoothly and looking forward to taking it on a few trails and long highway trips after break in. I've been messing around with the mark levinson audio tuning, might post my results in that thread.