X2 - crossover at 34 htz and room gain set to 40htz this seems to be the tightest bass I can get without being boomy. Gain set to -14dbs. I can’t seem to make sense of why this sounds better than no room gain and the gain set to -28, but it does. This seems to have much more authority on bass drum hits and bass players plucking of the strings can be felt without being boomy. That kind of thing didn’t happen with the sounds turned off.