China M20 Dual Microphones with AI Noise Cancellation - Top Suppliers & Factory for Clear Voice 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
What is the optimal pickup distance of the M20 Microphone Array?
The optimal voice pickup distance for the M20 Dual Directional Microphone Array is up to 3 meters, ensuring clear audio capture within range.
How does the AI Noise Cancellation feature work?
The system utilizes advanced AI algorithms to filter out background noise, reducing ambient disruption by ≥ 20 dB, while maintaining clear, natural two-way speech transmission.
Is this microphone array compatible with AI translation systems?
Yes, the M20 is specifically optimized for AI translation. It features dual-channel voice separation to capture and distinguish voices from both sides, enhancing translation accuracy.
What are the typical application environments for this product?
It is ideal for two-way communication spots such as bank counters, government service centers, hotel reception desks, customer service counters, and interview rooms.
What interface does the M20 module use for connection?
The M20 utilizes a standard USB interface with a 4-Pin 1.25 mm Horizontal SMT Connector, operating on a 5V power supply.














