How to measure EIN (Equivalent Input Noise) of an interface's Mic(00)

How to measure EIN (Equivalent Input Noise) of an interface's Mic(00)

Image gallery: Ein Audios Leaked

How to measure EIN (Equivalent Input Noise) of an interface's Mic "WHERE'S MY NSFW AUDIOS EIN HUHHH" by AeriEinAudios from Patreon Kemono Audio leaks: PTI seeks judicial investigation - Daily Times