Centrum Sound Single Conference Microphone System
Centrum Sound Single Conference Microphone System

Centrum Sound Single Conference Microphone System


Centrum Sound Single Conference Microphone System is a compact, boundary-type omni-directional electret condenser microphone. It is designed to enhance the pickup range for a wide variety of personal assistive listening devices and recorders, thus eliminating the need to pass the microphone around to every speaker. It can be used for conference tables, panels, round table discussions, split table setup and dinner arrangements. With a Conference Mic range of approximately 8 to 10 feet, user can receive clear sound, consistent tone, low noise level and low vibration sensitivity.

Item #DescPkgRewardPrice 
CM3J 2" Triangle x 5/8" Height Each $3.15


  • Centrum Sound Single Conference Microphone System includes:
    - 1 Microphone
    - 36" Cord
    - 3.5mm mono plug for direct connection to ALDs
    - Options for computers with 3.5mm Mic input jack include KO-A Mic input adapter or KO-5 high grade 5ft Mic input adapter cable
  • For computers (PC or Mac) without a 3.5mm Mic input jack, use USB-A adapter with KO-A or KO-5 adapter cable
  • Provides a 10dB boost at 3kHz
  • Can be daisy chained, no mixer required for 4 microphones or less
  • Contemporary microphone design affords discreet setup at any conference table
  • Called as boundary type microphone, where the hard reflective surface it is placed on constitutes the boundary
  • Dense body composition combined with large rubber feet prevents skidding and reduces annoying mechanical noises usually associated with conference arrangements
  • Portable and works with most brand name assistive listening devices, cassette recorders and digital voice recorders employing electret microphones
  • Actual pickup range may vary from 5 to 15 feet depending on environmental conditions


Sensitivity @ 1kHz-38dB ± 3dB
Output impedance1.5 kS
Signal-to-noise ratio> 60dB
Frequency response100Hz to 8kHz
Phantom power1.2 to 10 VDC
Sensitivity reductionWithin -3dB at 1V
Current drain0.3mA maximum
Standard cord length36" (91cm)
Connector "j" version3.5mm Mono plug


1 Year Warranty

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