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M40 | Installed Sound, Microphone

Miniature High Output Ceiling Mic available in 6" and 12" lengths.

MRSP: $435
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  • Description

    The M40 is a miniaturized condenser microphone with a fully integrated
    preamp designed with very high sensitivity for distance miking. The primary applications for the ceiling mounted M40 include Video & Teleconferencing (VTC), distance learning, hospital rooms, surveillance and ambient room miking.

    The M40 has complete immunity from RF interference caused by cell phones and GSM devices. The M40, which comes with a cardioid capsule, is also available with hypercardioid or shotgun capsules, allowing for the microphone to be used in a wide variety of applications.

    The M40 is easy to install requiring only that a 5/8 inch hole be drilled in the ceiling with no additional tools required. The cable assembly is equipped with a terminal block connector. For installations where plenum rated cable is to be used a UL rated, metal plenum junction box is available.


    M40W6 - White finish, cardioid capsule, 6" gooseneck
    M40WHC6 - Same as above with hypercardioid capsule
    M40W6S - Same as above with supercardioid capsule
    M40W12 - White finish, cardioid capsule, 12" gooseneck
    M40WHC12 - Same as above with hypercardioid
    M40W12S - Same as above with supercardioid capsule
    The above models are also available with black finish.

    CONN170F - 1' integrated mic cable with terminal block connector
    CONN170M - The mating terminal connector is also provided for easy solder-less connection

    JBM40 - Metal plenum junction box with seismic and fire safety cable restraint where required by code.


    • Video & Teleconferencing (VTC)
    • Distance Learning
    • Surveillance
    • Hospital and Medical Procedures
    • Ambient room mic
  • Specifications

    Type Condenser
    Polar Pattern Cardioid, Hypercardioid, Supercardioid
    Frequency Response 60Hz - 10kHz
    Impedance 150 Ohms
    Sensitivity 37 mV/Pa @ 1k