Roon Parametric EQ to help with bass issues

I would look at link below as a good start and get yourself a calibrated microphone such as MiniDSP umik-1. There a number of threads about DSP if your use search on the forum.

You can also look at using a company called Home Audio Fidelity to create you some exceptional filters to use in the convolution part of DSP a more powerful part of the DSP engine.