Equalizer FX is a free equalizer app for Android, and it has a 7-band equalizer that allows you to customize your sound how you like. It also has a decent number of presets to choose from if you ...

making your music sound brighter and crisper with increased treble or duller and kind of muddied with less treble. Here's how to access the equalizer on your iPhone: 1. Open the Spotify app and ...