Or you have stuff from Synergistic Research where you pay $400 for 4 things that look like socket wrench ends to place on your wall. This will then improve sound drastically. Sorry I just can't pull the trigger on that either.I'm not into tweaks but the little suckers do work. Remodeling my house and walls are bare so gave them a spin after watched the avshowrooms video plus they do offer a 90 days REFUND.
I have no interest trying the other SR stuff sticking on components ... too much!