Hammond Manufacturing 813A Audio transformer, broadcast, Line or 150 ohm MIC to Base, 800A Series | Southern Electronics
Ocean Technology Systems ME-16R® Hot Mic® (150 Ohm) - Dive Commercial International
Ops-Core Mask Microphone 150 Ohm for SOTR
Solomon MiCS LoFReQ Sub Microphone (White) 7'' with 150 ohms Impedance, Sub-Frequency Sound, Lightweight, Basic Accessories Bundle with Mic Stand Perfect for Musicians | Reverb
150 ohm, dynamic, water resistant plug-in, 2x H2o, 60-61 db
ME16-SL Mic For Superlite Helmet - Ocean Technology Systems
DM0201 150 OHM Standard Gain Dynamic Mic – KNM Industries