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Selected Kno sm cards 742x555 hearing mics
Kno sm cards 742x555 hearing mics

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Product Overview

Features

  • Ultra-low power consumption for all-day use
    • Supply voltage as low as 0.88V
    • Supply current drain as low as 20 uA
  • Electroacoustic performance customized for hearing instruments
    • Sensitivity of -35 dBV/Pa
    • Ultrasound IMD performance <40 dB SPL
    • Signal-to-noise ratio (SNR) up to 70 dB
    • Noise floor as low as 25 dBA
  • Different dimensions to choose from based on hearing aid applications
    • SPA Package: 3.35 × 2.50 × 0.96 mm to 3.35 × 2.50 × 1.30 mm
    • SPV package: 2.75 x 1.85 x 0.90 mm
  • Surface-mount technology (SMT) compatible for automated assembly
  • Multiple porting options: manifold, spout, and tube
  • Robust MEMS design to enable active lifestyle and reduce filed returns
    • Microphones that can survive up to 2-meter deep water immersion
    • Withstand air blasts cor cleaning the device in excess of 100 PSI
    • Protection against fine particle ingress 

Benefits

  • Delivers clear audio capture in quiet and noisy environments
  • Extends battery life in hearing aids and wearables
  • Enables smaller, more discreet device designs
  • Improves manufacturing consistency and scalability
  • Enables active lifestyle and reduce filed returns
  • Supports flexible acoustic tuning and integration
  • Reduces total cost of ownership through automation-ready packaging 

Target Applications

  • Behind-the-ear (BTE) and receiver-in-canal (RIC) hearing aids
  • In-the-ear (ITE), in-the-canal (ITC), and completely-in-canal (CIC) devices
  • Over-the-counter (OTC) hearing enhancement products
  • AI-powered hearing personalization systems 

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