What do you plug in the blue input? : r/whatisthisthing
HE/Black Microphone with Aux Input - Race-Keeper
Using Headphone Jack as Microphone: What You Need to Know - Headphonesty
TOA Electronics, Inc. - Microphone Input Modules
Tech Tip Of The Day: Line Level Into Mic Only Inputs? - ProSoundWeb
sound - Mic plugged in the guitar input does not work - Sound Design Stack Exchange
Amazon.com: 4-Piece Mini Microphone Tiny Microphone Mini Mic for Recording Voice and Singing on iPhone, Android Phones or Tablet, Metal, with 113 cm Cord, 3.5 mm Input (Rose Gold, Rose red, Silver,
How Do I Connect My Microphone To A Speaker? | Bax Music Blog
How to use a microphone jack as a line in jack - YouTube