Electret Microphone Insert without FET

The ECM-B1660UL46-319 is a 16 × 6 mm unidirectional microphone capsule designed for broadcasting applications. With a sensitivity of -46dB±3 and a signal-to-noise ratio of 60dB, it ensures clear and precise sound capture, making it ideal for use in streaming and live broadcasting environments.

  • Model: ECM-B1660UL46-319
  • Dimensions: 16 × 6 mm
  • Directivity: Unidirectional
  • Sensitivity: -46dB±3
  • Impedance: 680Ω
  • S/N Ratio: 60dB
  • Max SPL: 110dB
  • Operating Voltage: 1.5Vdc
  • Frequency Response: 100Hz~16KHz

Our 1660 unidirectional electret microphone head offers high sensitivity and effective noise reduction, ensuring clear and precise audio capture.

Standard Test Circuit

Standard Test Circuit

Typical Frequency Response

Typical Frequency Response

Appearance Dimension

Appearance Dimension

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Packaging Overview

Electret Microphone Capsule Packaging

Reliability Tests

Sampling Process

  1. 1
    Confirm customer requirements:
    Review product application, microphone capsule specifications, usage scenarios, and sound quality needs.
  2. 2
    Recommend and specify:
    Provide recommended microphone capsule models and detailed specifications for customer evaluation.
  3. 3
    Sample provision and testing:
    Deliver microphone samples for customer testing and feedback purposes.
  4. 4
    Optimize and finalize:
    Refine microphone design based on feedback, finalize samples, and proceed to mass production upon quality approval.

Our Certificates

ECMIC Microphone Manufacturer Certificates

Our production meets ISO 9001:2015 and ISO 14001:2015 standards and is tailored for automotive applications under the IATF 16949:2016 standard, ensuring comprehensive quality management. Additionally, our products comply with ROHS, CE, and FCC requirements.

Quality Assurance

Incoming Quality Control

Conducting sampling inspections of incoming materials to ensure compliance with standard requirements.

Process Quality Control

Performing inspection audits to ensure the stability and control of the entire manufacturing process.

Outgoing Quality Control

Conducting pre-shipment inspections to ensure that products meet established quality standards.

Acoustic Laboratory

B&K Audio Analyzer

Testing of background noise, sensitivity, frequency response curve, and directionality indicators.

Imaging Mapping Analyzer

Verification of the impact of different circuits, structural dimensions, materials, and processes on indicators.

XRF Analyzer

Reliability testing at both the new product design stage and the mass production regular stage.

Automatic Workshop

Automatic Workshop

Utilizing fully automated production lines to ensure high efficiency and consistency.

Automatic Workshop

Equipped with state-of-the-art facilities, including a 10,000-level dust-free workshop.

Automatic Workshop

Employing a rigorous 21-step process to guarantee product stability.

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