Superlux E303B 3 Inch Diameter Electret Cardioid Condenser Boundary Microphone
Superlux E304B 3 Inch Diameter Electret Omni Condenser Boundary Microphone
Superlux E324B Low Profile Flush-Mount Omni Condenser Boundary Microphone - Black
Superlux E324W Low Profile Flush-Mount Omni Condenser Boundary Microphone - White
