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Selected Kno sm cards 742x555 boom mics
Kno sm cards 742x555 boom mics

Product Overview

Features

  • Available in flexible and rigid gooseneck styles with diameters from 2.7 mm to 5.9 mm
  • Microphone elements include directional, omnidirectional, noise-canceling, and balanced armature types
  • IP ratings up to IP68 for water and dust resistance
  • Compliant with RTCA-DO214a aviation standards (R Series)
  • Amplified and non-amplified models with internal FET or balanced armature signal generation
  • Customizable lengths, connectors, housings, and windscreen treatments
  • EMI/RFI shielding and corrosion-resistant construction for harsh environments 

Benefits

  • Enables clear voice transmission in noisy, high-stakes environments
  • Supports long-term reliability in aviation, industrial, and tactical use
  • Reduces power requirements with self-generating balanced armature options
  • Enhances comfort and fit with lightweight, compact designs
  • Simplifies integration with off-the-shelf and semi-custom configurations
  • Withstands environmental stressors including water, vibration, and temperature extremes
  • Meets regulatory and performance standards for mission-critical applications 

Target Applications

  • Aviation headsets and cockpit communication systems
  • Military and tactical communication gear
  • Industrial safety and emergency response headsets
  • Stage performance and professional speaking systems
  • Intelligent hearing protection devices
  • Two-way radios and surveillance equipment 

Specifications

Type
Boom
Part Number
FB-EM-30342-000
Product
Microphone
Product Type
Boom
Range
FB-EM
Frequency Range
300 Hz ~ 6 kHz
Impedance
4.4 kOhms
Sensitivity
-50dB ±4dB @ 74dB SPL
Voltage
1.3 V
Voltage Range
1.3 V ~ 10 V
Port Location
Bottom, Top
Output Type
Analog
Direction
Noise Cancelling
Shape
Circular
Height
0.245" (6.22mm)
Dimensions
0.748" Dia (19.00mm)

Distributor Inventory

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Part Number Part Description Quantity Distributor
FB-EM-30342-000 KNOWLES 31
DigiKey
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