The idea that accuracy relies on the speakers is a very old fashioned 1970’s concept.
The most important piece of equipment is whatever translates the signal in the first place to pass it on down the chain – CD player, turntable cartridge/arm/turntable or DAC.
Once information is lost, it cannot be replaced no matter how many “graphic equalizers” or other such gizmos are included.
I auditioned three different makes of speakers when I built up my system. One was good at musicality but had no stereo presentation to speak of, another was clinically accurate with instrument placement but completely un-musical and the pair that I decided on could do both things beautifully…