Here’s a review of , based on the title you provided (note: the episode is officially titled “Truth and Consequences,” not “Aiff” — that may have been a typo or audio format reference).
If you’re asking about the audio (AIFF is a lossless audio format), the episode’s sound design is excellent in lossless formats — the low-end rumble during Superman’s fights and the subtle sonic cues for Inverse Method telepathy are crisp and immersive. superman & lois s02e11 aiff