Here's what I'd suggest:

  • Fronts (rated 38Hz-20kHz): Small, 60Hz crossover
  • Center (rated 68Hz-20kHz): Small, 100Hz crossover (might also try 80Hz)
  • Surrounds (rated 46Hz-20kHz): Small, 80Hz crossover
  • Sub: On (no choice there, with all speakers small), and set the crossover control on the sub as high as it will go. I didn't see a bypass option on the sub's controls, so buy setting it as high as possible you avoid having the 990's crossovers and the sub's crossover overlap.

Hope that helps.
_________________________
gonk
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