It is all in dedicated ht room.
I have system rails on the ceiling, can mount the acoustic tiles and speakers easy through the total room.

In the meanwhile i upgraded to a 8802A since the 7702 was/is not upgradable for DTS:X

Still do not regret the change i did. Lost a lot of money on the downgrade, or did write off a lot on the M system, but enjoyed that for years.

Sold all M equipment