Silicon Microphone
Your Professional Silicon Microphone Manufacturer!
Shenzhen Marquess Electronics Co., Ltd. was founded in July 2004, originating from the Japanese AOI Electric Motor Manufacturing Company as a joint venture specializing in the production of ECM (Electret Condenser Microphones). For 21 years, we have been dedicated to the production, research, sales, and service of noise-canceling direct microphones and microphone cores, demonstrating unique AOI expertise in both active and passive noise reduction fields.
Why Choose Us
Quality Assurance
In terms of quality assurance, the company strictly follows the standards and norms of the industry quality system. Adopt industry-leading testing equipment to ensure product quality and good reputation.
Professional Service
We can accept factory inspection and goods inspection at any time. Technical discussion, research and development of new products, and complete after-sales service.
Advanced Equipment
The company's production equipment and technical processes are all introduced from Japan, with facilities such as standard soundproof rooms and Danish B&K audio analyzers. Production operations are carried out in clean and dust-free environments. Multiple automated production devices and a rigorous quality assurance framework inherited from the Japanese parent company ensure unique technical guarantees in product reliability and consistency.
OEM/ODM
When you put forward your needs, our engineers will provide you with faster and more perfect customized solutions. We have a wide range of products, and we will provide technical support according to your actual needs to choose the right product for you.
Specifications
Name |
Parameter |
Model |
ECM-M3722-4256M |
Sensitivity |
-39-45dB |
Output impedance |
300KΩ |
Directivity |
Omni |
Frequency range |
100-10000Hz |
Maximum SPL |
130dB |
S/N Ratio |
56dB |
Dimensions |
3.76 × 2.24 × 1.1mm |
Advantages of Silicon Microphone
Small Size and Form Factor
Silicon microphones are incredibly compact, making them
ideal for space-constrained devices like smartphones,
wearables, and hearing aids. Their small size allows for
flexible placement within devices and the potential for
multiple microphones in a single unit.
Low Power Consumption
Silicon microphones consume very little power, extending
battery life in portable devices. This is crucial for
devices like smartphones, wireless earbuds, and other
battery-powered gadgets.
High Sensitivity and SNR
Silicon microphones offer excellent sensitivity, meaning
they can accurately capture faint sounds.They also exhibit a
high signal-to-noise ratio (SNR), ensuring clear and crisp
audio recordings with minimal background noise.
Durability and Reliability
Silicon microphones are robust and less susceptible to
damage from mechanical shock or vibration. They can
withstand high sound pressure levels and are less prone to
degradation from temperature and humidity variations.
Integration Capabilities
Silicon microphones can be easily integrated into complex
electronic systems, including those found in smartphones,
laptops, and other devices. This integration allows for
advanced features like noise cancellation and voice
recognition.
Application of Silicon Microphone




Consumer Electronics:
Smartphones and Tablets: Silicon microphones are the standard
for capturing audio in mobile devices, enabling voice
recording, phone calls, and voice assistant functionality.
Laptops: They are integrated into laptop webcams and microphones for video conferencing, voice chat, and other audio-related tasks.
Smart Speakers and Voice Assistants: These microphones are essential for voice control and interaction with devices like smart speakers and digital assistants.
Hearing Aids:
Silicon microphones offer a compact size and high sensitivity,
making them suitable for use in hearing aids, where
miniaturization and performance are crucial.
Automotive Applications:
Hands-free Calling: Silicon microphones are used in car
infotainment systems to enable hands-free calling and voice
control of navigation and other features.
Noise Cancellation: They play a role in active noise cancellation systems, helping to reduce unwanted ambient noise in the vehicle cabin.
Other Applications:
Voice Biometrics: These microphones are used in security
systems and devices that rely on voice recognition for
authentication.
Research and Development: Researchers use them to study sound, acoustics, and various audio-related phenomena.
Industrial Applications: Silicon microphones are finding increasing use in industrial settings for sound monitoring, vibration analysis, and other applications.
Medical Devices: They are being explored for use in medical devices, such as stethoscopes and other acoustic sensors.
How Silicon Microphones Work
Capture Sound wave: The silicon film inside the microphone senses the change of sound waves and generates tiny electrical signals.
Amplify and process signal: Through thebuilt-in amplifier and signal processor, the captured signal is amplified and processed to eliminate noise and distortion.
Digital conversion: The processed analog signal is converted into a digital signal by an analog-to-digital converter (ADC).
Output: Finally, the digital signal can be output through interfaces such as I2S and PDM, which is convenient for subsequent data processing and analysis.
Packaging and delivery
Selling Units |
Single item |
Single package size |
1X1X0.8 cm |
Single gross weight |
0.010 KG |
Our Certificate
ISO 9001 2015,ISO 14001 2015,ISO 4500 12018,UL E473299,UL E473487




