I am trying to figure out the best configuration in respect of bass management/cross-over/system settings when pairing an Outlaw 990 with a NHT X1 crossover (i.e. what are the 990 and X1 optimal settings so that I am not losing anything without knowing it). I have NHT M5 left, right, and center, NHT L5 side and rear surrounds, and NHT U2 subwoofers (which are 2 subwoofer speakers), with the subwoofers controlled by a NHT X1 crossover and each sub with a dedicated NHT A1 amplifier.

Thank you in advance for your thoughts, and Happy Holidays and a wonderful and prosperous New Year!
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Outlaw 990/7700/2200(2)
NHT M6(3)/L5(4)/U2(2)/A1(2)/X1
Samsung LN-T5265F(LCD)/BD-P1200 (BluRay)
Apple TV w/750 gb HD music server
Universal MX-810
Scientific Atlanta 8300HD DVR
Blue Jeans Cables