Confused about mastering? Here are 5 essential things you will need to make your finished tracks sound their best.
First is a brickwall limiter. Mastering has several components. The most crucial is the very last stage of the processing chain, which should be a limiter. This can take your input signal and drive it so that the gain is pushed as close to 0dB as possible without crossing it. Second is serious monitors. The information you get from your speakers is what you base your mixing and mastering decisions on. Hence, it’s important that you use the best ones you can get access to.
Read more about this here: https://ask.audio/articles/5-essential-tools-for-mastering