Uncheck the "build" box once the profile is created. ReaFir will now subtract those specific frequencies from the rest of your track. Technical Highlights
Excessive noise reduction in Subtract mode can lead to "metallic" or "tinny" artifacts. reafir-by-cockos-multi-fx-plugin-vst-free-crackedplugins
Features a highly accurate, real-time frequency response display. Uncheck the "build" box once the profile is created