Enabling the "Air" mode on compatible Focusrite Scarlett and Clarett interfaces introduces an analog emulation circuit inspired by the legendary vintage transformer-based ISA preamplifiers found in classic studio consoles. This processing modifies the frequency response curve by adding high-frequency sheen, subtle harmonic distortion, and open airiness, which can breathe vibrant life into dull vocal tracks or acoustic instruments. Whether you should use it depends entirely on the source material; while it often adds wonderful clarity and presence, acoustic sources that are already bright might sound overly harsh or sibilant if Air mode is pushed too hard.