16mm Cardioid Electret Microphone Element for Anchor

(1 customer reviews)

The ECM-B1655UL44-280 is a unidirectional microphone capsule primarily designed for broadcaster microphone applications. With dimensions of 16 × 5.5 mm, it features a sensitivity of -44dB±2 and a signal-to-noise ratio of 75dB, ensuring high-quality sound capture.

🚫 Factory direct sales only – no retail.
Minimum order quantities (MOQs) apply.
Suitable for brand owners and manufacturers only.
📞 Please contact us to discuss your project and order details.
🧪 Sample

Free sample – shipping extra

🧭 Trial Order

From 500 pcs (1st order only)

📦 MOQ

5,000 pcs (mixed models allowed)

  • Model: ECM-B1655UL44-280
  • Dimensions: 16 × 5.5 mm
  • Directivity: Unidirectional
  • Sensitivity: -44dB±2
  • Impedance: 680Ω
  • S/N Ratio: 65dB
  • Max SPL: 120dB
  • Operating Voltage: 1.5Vdc
  • Frequency Response: 100Hz~16KHz
RoHS Certification UL Certification
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Technical Specifications

The 1655 single-directional condenser microphone head is tailored for broadcasters, boasting stable and reliable quality with a Korean JFET. Equipped with dual capacitors for anti-interference, it delivers high audio quality and signal-to-noise ratio, ensuring excellent sound reproduction for professional broadcasting applications.

Standard Test Circuit

Microphone test circuit diagram

Test configuration: RL=680Ω, VS=1.5V, C=1μF

Typical Frequency Response

Frequency response curve showing initial rise, mid-range dip, and high-frequency roll-off

Frequency response climbs steadily from 100Hz-6kHz to peak level, declines through 6-7kHz, briefly recovers at 7-8kHz before rolling off to 10kHz.

Dimensions (UNIT: mm)

Microphone dimensions drawing

Dimensions: 16mm diameter × 5.5mm height with front mesh and rear ports

Packaging Overview

Electret Microphone Capsule Packaging
  • Standard packaging: 100 pcs per small box.
  • 10 small boxes (1,000 pcs) are combined into one medium carton.
  • Several medium cartons are further packed into a large outer carton.
  • Pin-type microphones are protected with foam inside the small box.
  • Other types are packed directly or sealed in anti-static bags.

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.

1 review for 16mm Cardioid Electret Microphone Element for Anchor

5.0 Rating
1-1 of 1 review
  1. otimo

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