M55 | Installed Sound | Microphone


  • Video Conference
  • Distance Learning
  • Board Rooms
  • Surveillance
  • Hospitals and Medical Procedures
  • Ambient room miking





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Installed Sound | Microphone

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Hanging ceiling microphone with height adjustment .

The M55 is an innovative, hanging ceiling microphone system designed for applications where aesthetics, sound quality, and ease of installation are critical. The M55 is ideally suited for board, class, and conference rooms, and can also been used for ambient room miking and surveillance. 

The M55 accommodates interchangeable capsules with omni, cardioid, hypercardioid, and supercardioid (shotgun) coverage patterns, and is optimized for speech. All electronics are fully integrated, high sensitivity, low noise, and the signal output is balanced, so cell phones and GSM devices do not cause RF interference. 

Installing the M55 requires drilling just one 5/8-inch hole in the ceiling, with no additional tools needed. The M55's mounting hardware easily adjusts the hanging height up to four feet from the ceiling surface without removing ceiling tiles. An optional aiming clip easily makes any additional angular adjustments. The cable assembly, with its Phoenix connector, is neatly housed in an airtight, plenum-rated junction box. A wire safety cable provides additional seismic restraint.


• High output allows distance miking 
• Optimized for voice recognition 
• No RF interference
• Fingertip height adjustment and rotation control 
• Operates on 18 - 52 V phantom power
• Miniature, integrated preamp circuitry 
• No external power adapter needed 
• Extremely low noise, high sensitivity 
• Junction box included

Model Variations:

M55W - Cardioid.  White finish with 4' cable terminiating in Phoenix connector 
M55WHC - Hypercardiod, white finish 
M55WS - Supercardioid, white finish 




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


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