If I understand what the OP is saying about his sensitive hearing, all subs have his solution included. That would be the gain/volume control. I have a similar situation with my hearing and I don't believe he has an issue with low freqs themselves, but with the rattles they produce throughout the listening area. Some are impossible to isolate and others are impractical to eliminate. Turning down the volume would help with some, others are stimulated at various frequencies at moderate volume,s especially when those freqs are sustained more then a few cycles. If this is the case, he would have to deploy a complex solution by deemphasizing some bands and raising the low end. To do this may result in an awful sounding system. He needs to get a best-fit sub, spend time isolating noise makers and eliminating them, then learn to ignore the rest of them. My solution was to turn up the volume until it drowned out environmental noise (including my wife).