Datasheet - MP34DT06J - MEMS audio sensor omnidirectional digital microphone
Six Pack of the popular Blackbox Bravo Remote Speaker Microphone for Business Radios has a 2-Pin set up and is great for security or construction jobs.
BETA® 87A - BETA® 87A Vocal Microphone - Shure USA
Amazon.com: Fielect 20Pcs 9767-62DB Electret Microphone Pickup 9.7mm x 7mm Cylindrical Condenser MIC with Solder Joint for PCB : Electronics
50pcs 6mm x 2.2mm microfono a elettrete capacitivo condensatore a elettrete sensibilità Pick-Up microfono MIC per PC telefono MP3 MP4 - AliExpress Materiali e componenti elettronici
MIC Datasheet(PDF) - List of Unclassifed Manufacturers