EQ's can differ from each other in different aspects. There are equalizers with and without analyzer. There are also EQ's that leave the sound character of your audio track completely unchanged (i.e. "clean"). Others, on the other hand, give your track its own, characterful sound. The different types of EQ's can also be distinguished by their control options. These can be divided into filter-style, semi-parametric, parametric and graphic EQ's.