Sescom TR-122 XLR to TRS (1/4" Phono) Audio Input Isolation Transformer

ProCo Cough Drop Muting Switch -Red 2001

RDL TX-AFC1M Audio Transformer/XLR Phono

Canford Audio Pro stereo interface two-way balanced unbalanced active XLR Phono

ProCo DB1 Audio Passive Direct Box Monoface Series USA Made T0052

Rapco Horizon, ProCo 1/4" and XLR plugs

ProCo MS-82P 8 Channel Microphone Splitter