About ECMIC – Leading Microphone Manufacturer

Innovating High-Quality Microphone Solutions

ECMIC specializes in electret microphones and noise-canceling cores for audio, automotive, and security applications. We deliver reliable, high-performance solutions backed by advanced manufacturing capabilities.

Our Story

Shenzhen Marquess Electronics Co., Ltd. is the parent company of ECMIC, specializing in the manufacturing of electro-acoustic products. Formerly a joint venture of Japan’s Aoi Electronics Co., Ltd., we continue to leverage advanced Japanese audio technology. With a 12,000㎡ production facility and 12+ production lines, we ensure high-quality manufacturing and timely delivery for our global clients.

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Our History – ECMIC Electret Microphone Factory

Our journey in electro-acoustic innovation

Our Manufacturing Excellence

Factory Overview

Factory Area: 12,000 square meters
Production Lines: More than 12 lines
Dust-Free Workshop: Class 10,000 purification room
Injection Molding Workshop: Advanced molding capabilities

Our state-of-the-art production facility

Key Production Lines

Horn production line
Support adhesive production line
Sound film assembly production line

Packaging production line
Welding production line
Wire production line

Brake production line
Edge banding production line
Automatic sorting machine production line
Magnetic circuit assembly production line

Engineering Capability

Our Expertise

Professional R&D Team: Dedicated to innovation and product development.
Customization: Ability to customize and develop new products.
Independent Development: Brake assembly line and visual inspection devices.
Reliability Testing: Advanced reliability chambers and root cause analysis capabilities.

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