Crown PZM10
Flush-Mount Boundary Layer Microphone


The PZM10 is a low-profile, cost-effective PZM microphone featuring a 3/4" tubular housing for ceiling, wall or tabletop installations. Intelligibility is excellent, with low frequencies below the voice range rolled off to reduce the pickup of HVAC rumble. Applications include security, surveillance and conferencing. XLR connector, phantom powered.

The PZM10, part of the Pressure Zone Microphone® line, are designed for security, surveillance, and conference-table use. The special housing design allows the microphones to be mounted into tables, walls or ceilings easily and inconspicuously.

Using Pressure Zone Microphone® technology, the PZM10 are highly sensitive and deliver a wide and smooth frequency response. Thus the PZM10 is characterized by excellent clarity and a consistent pickup anywhere around the mic.


  • Pressure Zone Microphones for security andsurveillance.
  • Clear, intelligible pickup of speech.
  • Inconspicous, resembles a light switch.
  • Powered by 12-48V phantom power.
    • Transducer type: Electret condenser.
    • Frequency response (typical): 80 Hz to 20,000 Hz.
    • Polar pattern: Hemispherical.
    • Impedance: 240 ohms, balanced; minimum load impedance1000 ohms.
    • Open circuit sensitivity: 2.5 mV/Pa (–52 dBV/Pa).
    • Power sensitivity: –52 dBm/Pa.
    • Equivalent noise level (self-noise): 26 dB SPLtypical (0 dB = .0002 dyne/cm2), A-weighted.
    • S/N Ratio: 68 dB at 94 dB SPL.
    • Maximum SPL: 120 dB SPL produces 3% THD.
    • Operating voltage: 12 to 48V phantom power, positivevoltage on pins 2 and 3 with respect to pin 1.
    • Polarity: Positive pressure on the diaphragm producesa positive voltage on pin 2 with respect to pin 3 of output connector.
    • Current drain: 400 microamperes.
    • Output connectors: Male XLR type (3-pin pro audio).
    • Cable: None supplied. Use 2-conductor shielded miccable.
    • Materials: Steel plate and housing.
    • Finish: Off-white. May be painted any color; takecare to first seal the opening between the capsule and boundary plate.
    • Net weight: 2.6 oz. (73.6 g).

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