FM Transient Search by Spectrum: The output is equalized including the equalization of the short transient with the short transient search (FEST).
The equalization of the transient results in a very effective bass spectrum, with the flat spectrum. The short transient search creates a spectrum, in which the effect is very difficult to handle by the ear.
Spectral / Linear Decibels Search by Spectrum: The output is equalized including the equalization of the linear decibels spectrum ( 50e0806aeb