Omni-Directional Electret Mic Core

Omni-Directional Electret Mic Core

The ECM-B4015AL39-L40D is a high-performance, omni-directional electret mic core designed for seamless integration into custom audio systems. Its compact 4 × 1.5mm size, paired with a 40mm lead length, makes it an ideal choice for a wide range of applications. This microphone core ensures clear, reliable audio capture across various environments, from consumer electronics to professional audio systems.
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Product Introduction

Combining advanced design with cutting-edge technology, the ECM-B4015AL39-L40D offers exceptional omni-directional sound capture. Its small form factor and 40mm lead length provide flexibility for integration into custom applications while maintaining high-quality sound reproduction. The microphone core's sensitivity of -39±3dB, wide frequency range from 50Hz to 20KHz, and the ability to handle sound pressures up to 115dB ensure clarity and reliability in dynamic environments.

 

Features
  • Omni-Directional Sound Capture: Captures consistent audio from all directions, ensuring balanced and natural sound across different environments.
  • High Sensitivity: With a sensitivity of -39±3dB, it provides clear audio, even in low-volume or subtle sound environments.
  • Wide Frequency Range: Operates from 50Hz to 20KHz, delivering a full spectrum of audio to meet varied application needs.
  • Compact and Efficient Design: The 4 × 1.5mm size fits easily into tight spaces, perfect for space-constrained designs.
  • High SPL Tolerance: Can withstand up to 115dB SPL, making it suitable for high-volume or fluctuating sound levels.
  • Wire Soldering with 40mm Lead Length: Optimized for easy soldering with a lead length that allows flexible integration into diverse systems.

 

Applications
bluetooth headset microphone
Omni-Directional Electret Mic Core for Headset Microphone
lavalier microphone
Omni-Directional Electret Mic Core for Lavalier Microphone
specifications

 

Name Parameter
Sensitivity

-39±3dB

Output impedance

2.2kΩ

Directivity Omnidirectional
Frequency range 50-20KHz
Maximum SPL

115dB

S/N Ratio

61dB

Dimensions 4 x 1.5mm

 

STANDARD TEST CIRCUIT
STANDARD TEST CIRCUIT
TYPICAL FREQUENCY RESPONSE
TYPICAL FREQUENCY RESPONSE
APPEARANCE & DIMENSION
APPEARANCE & DIMENSION

 

Why Choose Us

With extensive experience in the microphone component industry, we specialize in creating high-quality, durable, and precise microphone solutions. The ECM-B4015AL39-L40D is designed for performance and reliability, ensuring that your custom systems achieve top-tier audio quality. We combine cutting-edge technology with expert manufacturing processes to offer consistent, adaptable solutions for a wide range of audio applications. Choose us for quality, precision, and exceptional customer support that meets your unique needs.

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