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.