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9.7mm Automotive Grade Microphone for Car Cabin

2v-operation, automotive-microphone, car-cabin, low-power, low-voltage

9.7mm automotive grade microphone for car cabin applications. Operates at 2V with low 500μA current consumption, meeting automotive requirements.

5 Year Warranty UL Certified
Brand: ECMS

Product Overview

The ECM-B9750UP-45 is a specially designed uni-directional electret condenser microphone optimized for in-vehicle audio systems, including overhead console and center console installations.

Engineered to deliver clear voice pickup for hands-free communication and voice command systems in automotive environments.

Key Features

  • Optimized for voice pickup in ANC headphone systems
  • High 127dB maximum SPL handling reduces clipping from external noise
  • Excellent 72dB signal-to-noise ratio for clear voice transmission
  • Balanced -45±2dB sensitivity suitable for ANC signal chain integration
  • Standard 1kΩ impedance compatible with headphone amplifier circuits

Applications

  • Voice pickup in Active Noise Cancelling (ANC) headphones
  • Wireless headphones with call/voice assistant functionality
  • Premium communication headsets with noise management systems
  • Audio headsets requiring reliable voice capture in varied environments

Technical Specifications

Electrical Characteristics

Operating Voltage4.5 Vdc
Current Consumption600 μA
Output Impedance1 kΩ

Acoustic Performance

Directional PatternUnidirectional
Frequency Range100 ~ 10000 Hz
Sensitivity-45 ± 2 dB
Signal-to-Noise Ratio72 dB
Maximum SPL127 dB

Environmental & Mechanical

Dimensions9.7 × 5 mm
Terminal TypeSolder Point

Request Automotive Mic Info

Contact our team for pricing, samples, or technical consultation for in-vehicle microphones.

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