Knowles

EM Series Omni-Directional Microphone

The superior performance of Knowles' low noise EM makes it the choice of hearing instrument manufacturers for all hearing instrument sizes

Image of Knowles' EM SeriesKnowles' EM Series is the most popular omni-directional microphone offered. The EM can also be used in directional applications as a matched omni-directional pair.

Features

  • Rugged construction to withstand severe environmental conditions
  • High resistance to mechanical shock
  • Improved RFI and EMI
  • Undamped, screen damped, and internally damped responses
  • Numerous port locations and a wide range of frequency responses available
  • Extended housing EM microphones are also available, improving sensitivity/noise in the same footprint
  • Custom corner frequencies achieved through electrical high pass filter optimize noise performance at low frequencies for demanding matching and directional applications

EM Series Omni-Directional Microphones

ImageManufacturer Part NumberDescriptionSensitivityS/N RatioAvailable Quantity
MIC COND ANALOG OMNI -56DBEM-24446-C36MIC COND ANALOG OMNI -56DB-56dB ±3dB @ 74dB SPL-290 - ImmediateView Details
MIC COND ANALOG OMNI -52DBEM-23346-C36MIC COND ANALOG OMNI -52DB-52dB ±3dB @ 74dB SPL-86 - ImmediateView Details
MIC OMNI .9-10VDC -36DB SENSEM-23056-C36MIC OMNI .9-10VDC -36DB SENS-56dB ±1dB @ 94dB SPL-0 - ImmediateView Details
MIC COND ANALOG OMNI -53.5DBEM-26091-C36MIC COND ANALOG OMNI -53.5DB-53.5dB ±3dB @ 74dB SPL-0 - ImmediateView Details
MIC COND ANALOG OMNI -52DBEM-26371-C68MIC COND ANALOG OMNI -52DB-52dB ±3dB @ 74dB SPL-0 - ImmediateView Details
MIC COND ANALOG OMNI -53DBEM-26505-C56MIC COND ANALOG OMNI -53DB-53dB ±2dB @ 74dB SPL-0 - ImmediateView Details
MIC COND ANALOG OMNI -52DBEM-23346-C54MIC COND ANALOG OMNI -52DB-52dB ±3dB @ 74dB SPL-0 - ImmediateView Details
MIC COND ANALOG OMNI -56.5DBEM-23468-C05MIC COND ANALOG OMNI -56.5DB-56.5dB ±3dB @ 74dB SPL-0 - ImmediateView Details
Published: 2015-04-17

Related Product Training Modules

Introduction To Microphones Introduction to the terminology and anatomy of microphones to help readers properly identify the correct microphone for an application's needs.