Electret Microphone Applications & Recommended Models

Explore ECMIC electret microphone elements recommended for different applications, including conference systems, lavalier microphones, headsets, and automotive devices. Compare suitable models with key specifications such as dimensions, sensitivity, directivity, and impedance to find the right microphone capsule for your design.

Conference System Microphone Capsules

9.7mm Unidirectional Electret Microphone Element for Gooseneck

Model: ECM-B9750UL38-630
Dimensions: 9.7 × 5 mm
Sensitivity: -38 dB ± 2

9.7mm Wide Cardioid Electret Condenser Microphone – High SPL for Headset, Conference & Live Voice

Model: ECM-B9750UL45-T3-127
Dimensions: 9.7 × 5 mm
Sensitivity: -45 dB ± 2

Conference Microphone Array Capsule 14mm

Model: ECM-B1465UL34-24395
Dimensions: 14 × 6.5 mm
Sensitivity: -34 dB ± 2

9.7mm Unidirectional Electret Mic Capsule for Lavalier Microphones

Model: ECM-770
Dimensions: 9.7 × 5 mm
Sensitivity: -38 dB ± 2

Lavalier / Interview Microphone Capsules

6mm Omnidirectional Electret Condenser Microphone Cartridge for Lavalier

Model: ECM-B6027AL32-358
Dimensions: 6 × 2.7 mm
Sensitivity: -32 dB ± 2

9.7mm Omnidirectional Electret Mic for Video Doorbell Intercoms

Model: ECM-F9745AL36-186
Dimensions: 9.7 × 4.5 mm
Sensitivity: -36 dB ± 2

6mm Unidirectional Microphone Capsule for Lavalier and Conference Mics

Model: ECM-B6027UL29-25674
Dimensions: 6 × 2.7 mm
Sensitivity: -29 dB ± 2

9.7mm Headset Microphone Capsule for Head-Mounted Audio

Model: ECM-921U
Dimensions: 9.7 × 5 mm
Sensitivity: -44 dB ± 2

Headset Microphone Capsules

4mm Headset Microphone Capsule for Harman Headsets

Model: ECM-B4017UL46-26479
Dimensions: 4 × 1.7 mm
Sensitivity: -46 dB ± 2

Broadcast Headset Microphone Capsule 6mm

Model: ECM-B6027UL-906
Dimensions: 6 × 2.7 mm
Sensitivity: -35 dB ± 2

Close-Talk Headset High SNR Cardioid Electret Mic 10x4.5mm

Model: ECM-B1045UML50-25082
Dimensions: 10 × 4.5 mm
Sensitivity: -50 dB ± 2

9.7mm Bidirectional Noise-Cancelling Electret Mic for High-Noise Headsets

Model: ECM-715N
Dimensions: 9.7 × 5 mm
Sensitivity: -47 dB ± 2

Automotive Microphone Capsules

9.7mm Cardioid Electret Microphone for Automotive Use

Model: ECM-B9750UP-45
Dimensions: 9.7 × 5 mm
Sensitivity: -45 dB ± 2

Choosing the Right Electret Microphone Element for Your Application

Choosing the right electret microphone element depends on the requirements of your application. Factors such as microphone size, sensitivity, directivity, impedance, and frequency response all affect the final audio performance.

Size and Dimensions

The available installation space is an important factor when selecting a microphone element. Compact electret microphone capsules are suitable for portable devices, headsets, and space-limited designs.

Sensitivity

Sensitivity determines how effectively a microphone converts sound into an electrical signal. Different sensitivity levels are suitable for different voice pickup requirements.

Directivity

Omnidirectional electret microphone elements capture sound from all directions, while unidirectional models help focus on the target sound source and reduce ambient noise.

Impedance and Frequency Response

Matching impedance and frequency response with the target device helps ensure stable compatibility and audio performance.