China Suppliers Factory M20 Dual Directional Microphone with AI Noise Cancellation for Clear Communication
Product Description
Product Features
- 4-Microphone Array – Dual independent directional microphones ensure accurate two-way voice pickup.
- AI Noise Cancellation – Reduces background noise for clear and natural communication.
- Dual-Channel Voice Separation – Captures and distinguishes voices from both sides for enhanced accuracy.
- Optimized for AI Translation – Compatible with AI translation software and interactive communication systems.
- Wide Application Compatibility – Suitable for dual-screen displays, translation devices, all-in-one terminals, and voice collection systems.
- Professional Communication Solution – Ideal for government service centers, banks, hotels, customer service counters, interview rooms, and other two-way conversation environments.
Application Fields
- Government Service Centers
- Banks & Financial Institutions
- Hotels & Reception Counters
- AI Translation Systems
- Dual-Screen Interactive Displays
- Customer Service Counters
- Interview & Consultation Rooms
- Voice Collection & Communication Systems
Product Specification Parameters
| Parameter item | Specification |
|---|---|
| Product Name | Dual Directional Microphone Array |
| Model | M20 |
| Microphone Array | 4 Digital Microphones (4-MIC Array) |
| Optimal Pickup Distance | Up to 3 m |
| Audio Sampling Rate | 16 kHz / 48 kHz @ 16-bit |
| Sensitivity | -26 ± 1 dB |
| Signal-to-Noise Ratio (SNR) | 65 dB(A) |
| Voice Suppression | Off-Axis Voice Suppression ≥ 12 dB SPL |
| Noise Reduction | ≥ 20 dB |
| Directional Angle | ≥ 60° (Default) |
| Connector Interface | 1 × USB, 4-Pin 1.25 mm Horizontal SMT Connector |
| USB Power Supply | 5V ± 5% |
| Power Consumption | 0.5 W (5V, Max. 100 mA) |
| Main Board Dimensions | 38 × 38 mm |
Frequently Asked Questions
Q What is the model name and type of this microphone array?
The model is M20, which is a Dual Directional Microphone Array equipped with 4 Digital Microphones (4-MIC Array).
Q What is the optimal voice pickup distance for the M20?
The optimal voice pickup distance for the M20 Dual Directional Microphone Array is up to 3 meters.
Q Does this microphone support noise cancellation?
Yes, it features AI Noise Cancellation with a noise reduction of ≥ 20 dB and off-axis voice suppression of ≥ 12 dB SPL to ensure clear and natural communication.
Q Which application scenarios is this microphone array suitable for?
It is ideal for two-way conversation environments such as government service centers, banks, hotels, customer service counters, interview rooms, AI translation systems, and dual-screen interactive displays.
Q What are the interface connector and power supply specifications?
It uses a 1 × USB, 4-Pin 1.25 mm Horizontal SMT Connector. The power supply required is 5V ± 5% with a maximum power consumption of 0.5 W (Max. 100 mA).
Q What are the physical dimensions of the M20 main board?
The main board dimensions of the M20 microphone array are 38 × 38 mm.














