TRS is for cameras and portable audio recorders. TRRS is for smartphones, tablets, and computers. See? Piece of cake. SEE MORE for timestamps and product links.
CHAPTER LINKS
0:00 Intro
1:10 Definitions & uses
2:20 TRS mic to camera/recorder
3:15 TRS mic to smartphone
3:50 Boom to camera/recorder
4:45 Extension cables
5:55 TRRS mics
7:50 Recap