Razer Blackshark V2 Pro settings

Hello everyone, Please suggest the optimal settings for these headphones. I instal synapse 3, make preset game mode, stereo mode. Thx off because it has effect like I am in a small room with echo It has awful sound, like a cheapest headset from China shop. maybe someone has an optimal settings for the FPS games, where I can clearly hear footsteps and shootings. I use Pc, windows 10, maybe I need to change some settings in the system?