Wire MX391, MX202, MX412SE, WL18x to 1/8" connector?
Microphone Wiring Diagram
Amazon.com: Fat Toad XLR Microphone Cable 20ft Professional Pro Audio Mic Cord Extension Patch with Male to Female Lo-Z Connector | 20 AWG Wire & Balanced for Recording Studio Mixer & Live
Soldering XLR - YouTube
Troubleshooting 7 Common XLR Microphone Cable Problems - GeekStands.com