Independent Dual Microphones & AI Noise Cancellation
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 |














