Parallel Recording Using A Microphone Splitter Transformer - Sonarworks Blog
Mic Splitters
AMI Microphone Schematic Archive - Tab-Funkenwerk
Making a [4-Pole TRRS to 3.5mm Stereo & Mic Adapter (Male to 2x Female)] from an iphone headphone split… | Earphones wire, Electronic schematics, Headphone splitter
Passive Microphone Combiner/Splitter
simple splitter (ic/tranny buffer) for microphone | diyAudio
Mic Splitters
Video amplifier splitter circuit using transistor - ElecCircuit.com
Live Recording: Splitting The Microphone Signals - ProSoundWeb