The most commonly used tool in an audio engineer's toolkit is the venerable equalizer (EQ). Over the years, EQs have become a powerful creative tool and the most fundamental mixing and mastering device every engineer has at their disposal. In part 1 of the series, The Study of EQ Controls, Grammy winner Fab Dupont teaches you what each knob's function does, and in this tutorial, he dives even deeper to teach how and when to skillfully apply any type of EQ. Learn tricks and techniques that will help form or refine the foundation of how you approach EQing your mixes and masters.