China Suppliers M20 Dual Directional Microphone with AI Noise Cancellation - Factory Direct Quality Audio Solutions
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 range for the Model M20 microphone array?
The optimal pickup distance for the M20 Dual Directional Microphone Array is up to 3 meters, ensuring clear voice capture within this range.
How effective is the AI Noise Cancellation feature?
The device features professional AI Noise Cancellation that reduces background noise by ≥ 20 dB, making it highly effective for natural and clear two-way communication in noisy environments.
What kind of interface and power supply does this microphone array use?
It uses a USB interface via a 4-Pin 1.25 mm Horizontal SMT Connector, operating on a standard 5V ± 5% power supply with a maximum power consumption of 0.5 W.
Can this module be integrated into dual-screen displays or translation devices?
Yes, with its compact main board dimensions of 38 × 38 mm and dual-channel voice separation, it is optimized for dual-screen displays, AI translation systems, all-in-one terminals, and voice collection setups.
What is the benefit of Dual-Channel Voice Separation?
Dual-channel voice separation captures and distinguishes voices independently from both sides of the terminal, significantly enhancing speech recognition and translation accuracy for two-way conversations.














