For theater you are wasting your money. Be happy with what you have. Why care if fake sounds are produced accurately?
The difference in the 802d and 804 is the bass power and mids are more open. You will not be able to tell any difference in the mids with your center handelling all the speech. The bass is crossed at 80hz anyway. Now you could run you front/back full range with your current speakers and get better sound IMO. You can then turn your sub up and just use it for LFE.
Really save your money.
Revel Studio 2 and Wilson Sophia 3 are two speakers that come to mind as a b&w 802d alternative.
The difference in the 802d and 804 is the bass power and mids are more open. You will not be able to tell any difference in the mids with your center handelling all the speech. The bass is crossed at 80hz anyway. Now you could run you front/back full range with your current speakers and get better sound IMO. You can then turn your sub up and just use it for LFE.
Really save your money.
Revel Studio 2 and Wilson Sophia 3 are two speakers that come to mind as a b&w 802d alternative.