Micro ghi âm cho camera DAHUA DH-HAP201
- Micro giấu kín với tính năng chống sét và sốc nguồn.
- Hoạt động tốt trong không gian từ 10-100m2 với độ nhạy -38dB.
- Kích thước: 79.6 mm × 79.6 mm × 21.5 mm
- Trọng lượng: 60g.
- Nguồn điện: 12VDC.
Đặc tính kỹ thuật
| Model | DH-HAP201 |
| Performance | |
| Pickup Range | 1 square meter 150 square meters (10.76 sq.ft–1614.59 sq.ft) |
| Audio Transmission Distance | 3000m |
| Frequency Response | 20 Hz–20 kHz |
| Sensitivity | -38 dB |
| SNR | 85 dB (1 m 40 dB audio source SPL) 52 dB(10 m 40 dB audio source SPL)1 kHz at 1 Pa |
| Pointing Features | Omni-directional |
| Gain Adjustment | 0 VPP-4.6 VPP adjustable (75 dB sound pressure 1 kHz) |
| Dynamic Range | 106 dB (1 kHz at Max dB SPL) |
| Distortion | ≤0.3% (74 dB sound pressure, A weighted) |
| Max. Sound Pressure | 120 dB SPL (1 KHz,THD 1%) |
| Output Resistance | 25 Ω non-balanced |
| Output Signal Amplitude | 2.5 VPP/-25 dB |
| Microphone | High-fidelity micro electromechanical system (MEMS) silicon microphone |
| Signal Processing | Digital NR, reverberation, human voice enhancement, screaming control |
| Protection | |
| Protection | 8kV Air,6kV contact ESD lightening protection, power polarity misconnection protection |
| Electrical | |
| Drive Capability | Built-in preamplifier circuit |
| Connection Mode | 3 lead wire: (power, audio, public GRD) |
| Transmission Cable | 3-Pin mm² RVVP shielded cable |
| Power Supply | 12V DC (9V-18V) |
| Power Consumption | 0.72W (60mA) |
| Environmental | |
| Operating Temperature | -20°C to +60°C (-4°F to +140°F) |
| Operating Humidity | ≤95%RH |
| Storage Temperature | 0°C to +40°C (+32°F to +104°F) |
| Storage Humidity | ≤95%RH |
- Bảo hành: 24 tháng.
