& lt;p & gt; With Flat Equalizer, you can improve the sound quality on your device and boost the bass when playing a track. Turn up the volume, join in with a modern headset, use your own library with your favorite music tracks and playlists, and even out the sound with a 5-band equalizer. The built-in 3D virtualizer allows you to enjoy a simple process and control the program functions. There are dark and light themes to choose from, several useful presets by genre categories, and a huge number of effects.