Read microphone specifications and understand mic quality
Amazon.com: 01 02 015 Mini Microphone, Better Sound Low Impedance 3.5mm Mini Mic Easy to Stick Sensitive Lightweight for Hero4 3 3+ : Musical Instruments
Fix microphone problems - Microsoft Support
Getting low input level with a USB mic or audio interface? Check your hub | Jeff Geerling
SOLVED] External mic volume too low, MSI laptop + Realtek + Nahimic 3 : r/MSILaptops
How to: Fix low volume issue with microphones – Corsair
windows 7 - Microphone volume at maximum yet too quiet - Super User