Yes....LFE only in the 990. Yes the sub cables are connected to the Descent left and right input. When I try the 70hz setting on the Descent, it gets boomy. Is there anything i can do to reduce the boom and accomplish what you're recommending?
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Dedicated HT 15Wx24Dx12H
Outlaw 7700/990
Pioneer Elite DV-79AVi
Panasonic AE900U
ML Aeon i
ML Cinema i
ML Descent
Monitor Audio Bronze
Panamax 5400-EX
Da-Lite 120" Fixed Screen
...and allot of goodies in between

EJ\'s Home Theater