Equalizer APO setup driver should be installed before tuning system-wide audio. You can download it from here: https://sourceforge.net/projects/equalizerapo/files/latest/download
This Equalizer Designed for those in search of a fixed-frequency equalizer, providing a convenient and effortless way to filter audio. It offers control over all audio channels, including stereo, mono, swap, invert, balance, and more. The Pan\Expand processing feature allows for the adjustment of stereo effects. Additionally, the Multi-Delays feature enables users to create a variety of effects like echoes, delays, reverb, and more