About ECMIC

ECMIC is a professional microphone capsule manufacturer with 23 years of experience, specializing in electret condenser microphones, MEMS microphones, and dynamic microphone capsules. We provide reliable microphone solutions for global OEM and ODM customers in communication equipment, headsets, professional audio products, and industrial applications.

Our Story

Shenzhen Marquess Electronics Co., Ltd. is the parent company of ECMIC, specializing in the development and manufacturing of electro-acoustic components. Formerly established as a joint venture with Aoi Electronics Co., Ltd. in Japan, ECMIC continues to apply advanced audio technologies and manufacturing expertise to deliver reliable microphone capsule solutions for global customers.

With a 12,000㎡ manufacturing facility and experienced production teams, ECMIC supports OEM and ODM projects with stable quality control and flexible production capabilities.

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Our History – ECMIC Electret Microphone Factory

Our journey in electro-acoustic innovation

Microphone Capsule Manufacturing Excellence

Factory Overview

Manufacturing Facility: 12,000 square meters
Production Capability: Supports large-scale OEM and ODM orders
Clean Workshop: Class 10,000 purification room
Injection Molding: Integrated manufacturing capability

Our state-of-the-art production facility

Manufacturing Capability

Electret microphone capsule assembly
MEMS microphone solution support
Dynamic microphone element manufacturing

Component assembly and customization
Quality control and testing processes
OEM mass production support

Custom acoustic tuning and development
Prototyping and sample production
Reliability and performance testing

Engineering Capability

Our Expertise

Professional R&D Team: Dedicated to microphone capsule development and acoustic optimization.
Customization: Support customized specifications including size, sensitivity, directivity, impedance, and frequency response.
Product Development: Provide engineering support for OEM and ODM projects.
Reliability Testing: Verify product performance under different application conditions.

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Our R&D team in action

Quality Control & Testing

Advanced Testing Equipment

Acoustic Testing: Sensitivity, frequency response, and performance verification.
B&K Testing Equipment: Imported for precise acoustic measurement and calibration.
Low-Temperature Testing Machine: Ensures performance in extreme conditions.
Vibration Testing Machine: Simulates real-world usage scenarios.
Life Testing Machine: Tests product durability and longevity.

Quality Inspection – ECMIC Testing Laboratory

Our advanced testing laboratory

OEM & Custom Microphone Solutions

ECMIC provides OEM and ODM microphone capsule solutions for global brands, manufacturers, and distributors. Our team supports customization requirements including microphone size, sensitivity, directivity, impedance, and acoustic performance.