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Your expectations are coming true
1 Years
| Ask Lasest Price | |
| Brand Name : | HAOKAI |
| Model Number : | M20 |
| Certification : | CE, FCC, RoHS |
| Delivery Time : | 10-20 days after deposit |
| Payment Terms : | T/T, PayPal, Western Union |
| Supply Ability : | 12000 Pieces per Month |
| Price : | USD 9-21 / Piece |
Where clear voice capture matters, the M20 directional pickup array module combines a 60° bidirectional directivity pattern with a 65dB(A) signal-to-noise ratio. The onboard DSP suppresses ambient noise by more than 20dB, keeping speech intelligible even in busy public terminals.
| Item | Specification |
|---|---|
| Microphone Type | Dual directional independent pickup array, 4 MIC |
| Pick-up Distance | Best within 3m |
| Audio Capture Rate | 16kHz / 48kHz @ 16bit |
| Protocol | USB Audio Class 1.0 (UAC1.0) |
| Sensitivity | -26 ±1dB |
| SNR | 65dB(A) |
| Off-angle Voice Suppression | ≥12dB SPL |
| Noise Reduction | ≥20dB |
| Directivity | ≥60° (dual directional) |
| Algorithms | Voice Enhancement, Beam-forming, Directional Pickup, Noise Suppression, AGC |
| Interface | 1 x USB Type-C + 3.5mm headphone / audio output |
| Power | USB 5V ±5%, 0.5W (5V, 100mA max) |
| Main Board Size | 38mm x 38mm |
| Mic Board Size | 53mm x 6mm |
| Working Temperature | -10 to +60°C |
| Storage Temperature | -20 to +70°C |
Counter terminals • translation booths • conference pods • interactive displays • self-service kiosks.
Board-level module with OEM/ODM acoustic tuning, connector and firmware options. Ask for samples, datasheets and volume pricing.
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