Electret Microphones

High-performance ECM electret microphone capsules offering low noise, consistent performance, and multiple directivity options. Ideal for OEM integration in professional audio, communication systems, and custom solutions.

Featured Electret Microphone Capsules

Directionality:

Omnidirectional

Omnidirectional

Captures sound equally from all directions.
Unidirectional

Unidirectional

Focuses on sound from one direction, reducing side noise.
Bidirectional

Bidirectional

Captures sound from front and rear, rejecting sides.

Diameter (Ø):

3mm Diameter

3mm

Ideal for ultra-compact devices and miniature mic applications.
4mm Diameter

4mm

Common size balancing performance and compactness.
5.8mm Diameter

5.8mm

Ideal for voice recognition and consumer electronics.
6mm Diameter

6mm

Widely used in communication devices.
8mm Diameter

8mm

Offers excellent sensitivity for mid-sized applications.
9.7mm Diameter

9.7mm

Suitable for professional audio devices and headsets.
10mm Diameter

10mm

Balances compact size with high performance.
14mm Diameter

14mm

Popular for higher SPL handling applications.
16mm Diameter

16mm

Ideal for professional-grade microphones.
25mm Diameter

25mm

Used for large diaphragm condenser microphones.

Termination Types:

Surface Mount

Surface Mount

Ideal for automated PCB assembly.
Pin Type

Pin Type

Classic wiring with pin connectors.
Solder Pads

Solder Pads

Pads designed for direct soldering.
3 Solder Pads

3 Solder Pads

Three-pad solder layout for stable connection.
Wire Leads

Wire Leads

Flexible wire leads for easy connection.
Wire Connector

Wire Connector

Connector type wiring for modular assembly.
Solder Tabs

Solder Tabs

Tabs designed for soldering onto PCBs.
Without FET

Without FET

No built-in field-effect transistor.

Why Choose Our Products?

Tight Sealing

Tight Sealing

Advanced automated sealing technology ensures each microphone component is tightly sealed, effectively preventing external noise interference and enhancing product stability and reliability.

Secure Soldering

Secure Soldering

Precision soldering techniques ensure each solder joint is secure, reducing the risk of poor contact and disconnection, guaranteeing long-term stable operation.

Multi-Interface Support

Multi-Interface Support

Our production line supports traditional pin soldering and can also provide solder joint and wire interfaces based on customer requirements, adapting to different design needs.

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Quality Standards & Assurance

21 Parameter Tests

We conduct 21 parameter tests to ensure the highest quality standards are met.

18 Quality Control Steps

18 quality control steps provide products you can trust, with a defect rate controlled at less than 0.1%.

Durability and Stability Testing

Products undergo rigorous testing, including 12 hours of aging at 80°C, 1-meter drop tests, and salt spray and humidity tests, ensuring product stability.

Mean Time To Failure (MTTF)

Mean Time To Failure (MTTF) <10PPM, ensuring high product reliability.

Eco-Certifications

Eco-friendly materials are uniformly sourced, compliant with ROHS standards.

Customization Options

Sensitivity Customization

The ability to generate voltage under unit sound pressure is a key parameter. Custom range: -22dB to -70dB.

Frequency Customization

The frequency range that the audio system can reproduce within the allowed amplitude. Custom range: 20Hz to 20KHz.

Signal-to-Noise Ratio (S/N) Customization

The ratio of MIC sensitivity to its inherent noise under the same conditions. S/N should generally not be lower than 70dB.

Testing Options

High-Temperature Testing

Ensures product stability under high-temperature conditions.

Salt Spray Testing

Validates product durability in corrosive environments.

Low-Frequency Difference Testing

Tests the difference between 70Hz and 1000Hz to ensure consistent frequency response.

Waterproof Level Testing

Validates the product's waterproof performance.

Noise Floor Testing

Ensures low noise performance.

Humidity and Heat Testing

Simulates high-humidity environments to test product reliability.

Frequently Asked Questions (FAQ)

Electret microphones are widely used in various audio capture scenarios that require high sensitivity and environmental adaptability, including: These microphone capsules are designed to meet the performance requirements of different use cases, offering reliable sound pickup in both consumer and industrial-grade equipment.

Our walkie-talkie microphones use high-sensitivity electret units and optimize electromagnetic interference resistance to ensure stable and clear voice transmission in complex wireless environments.

Industrial and vehicle microphones feature dustproof, waterproof, shockproof, and high-temperature resistance to ensure stable operation in harsh environments, suitable for various industrial equipment and vehicle communication needs.

Surveillance electret microphones are equipped with excellent noise reduction structure and directional control to effectively suppress background noise and ensure clear voice capture over long distances.

We support customizations based on customer requirements for waterproof ratings, size specifications, and interface types to ensure microphones perfectly fit various devices and usage environments.

The standard models typically operate between -40°C and +85°C, while some industrial-grade products support even wider temperature ranges.

Choose a suitable model based on the usage environment, size constraints, sensitivity requirements, and interface types. Feel free to contact us for technical support and selection advice.

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