Realistic-Radio Shack - Crown PZM Boundary microphone, model 33-1090b, with pop filter | Reverb
PZM microphone - AliExpress
Crown PZM 6LBP Microphone #008401 (Used) - Vintage King
DISCONTINUED] AKG CBL301 Triple Element Boundary Microphone - Sound Productions
PZM!: The inexpensive mic that can do a lot! | Tape Op Magazine | Longform candid interviews with music producers and audio engineers covering mixing, mastering, recording and music production.
What is the use of Boundary/PZM Microphones? | Martin Mitchell's Microphones