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| Categories | Directional Microphones |
|---|---|
| SNR: | 65dB(A) |
| Off-angle Suppression: | >=12dB SPL |
| Brand Name: | HAOKAI |
| Pickup Distance: | Best within 3m |
| MOQ: | 100 Pieces |
| Model Number: | M20 |
| Certification: | CE, FCC, RoHS |
| Delivery Time: | 10-20 days after deposit |
| Directivity: | >=60 degrees bidirectional |
| Place of Origin: | Shenzhen, Guangdong, China |
| Packaging Details: | Anti-static tray plus shock-proof export carton |
| Noise Reduction: | >=20dB |
| Protocol: | USB Audio Class 1.0 (UAC1.0) |
| Payment Terms: | T/T, PayPal, Western Union |
| Supply Ability: | 12000 Pieces per Month |
| Board Size: | 38mm x 38mm main / 53mm x 6mm mic |
| Sensitivity: | -26 +/-1dB |
| Price: | USD 9-21 / Piece |
| Company Info. |
| Hans Hi Technology (Shenzhen) Co., Ltd. |
| Verified Supplier |
| View Contact Details |
| Product List |
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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