# EQ Guide for IEMs

The guide is really long.

Another guide is available through squig.link databases in the Equalizer tab. The yellow question mark button has a short and useful guide that presents a decent chunk of this guide's content in a condensed manner, and is suitable for most people looking for a quick introduction to EQ.

Guide Overview

The goal of this guide is to provide the necessary, stripped down practical information for equalizers (EQ) when it comes to audio reproduction, and is aimed at most people, from beginners to experienced users. Some basic theory will be summarized, but a general understanding of the hearing system, audio, and waves is useful.
This guide will be mainly focused on EQ concerning IEMs. Skip the sections you feel comfortable with, or just do whatever you want.

There are 3 main sections in this guide:
1. Audio and EQ basics, where necessary foundational knowledge is summarized
2. How to EQ, where detailed instructions and/or information pertaining to EQ are given
3. Case study, where demonstrations of the EQ process are shown
4. Measurement rigs, curves, and preference targets, where information about metrology is given

Use the table of contents on the left to navigate the guide, and use the secondary one on the left of each page for specific topics.