Dahua
Dahua DH-PFM140 Pinhole Two-way Audio Pickup
Discontinued; replaced by the HAP100.
Dahua DH-PFM140 Features
- Scope 5-40m2
- Sensitivity -40dB(-45~-20dB adjustable)
- Frequency response 20Hz~20kHz
- Directional characteristic Omni-directional
- SNR 70dB(1m 40dB sound source SPL)
- Dynamic range 104dB(1KHz at Max dB SPL)
- Max. sustainable sound pressure 120dB SPL(1KHz, THD 1%)
- Output impedance 600Ω(non-equilibrium)
- Output signal amplitude 2.5Vpp/-25dB
- Working voltage DC 12V(9~15V)
- Working current 60mA(50~100mA)
- Working temperature -30℃~+70℃
- Color White
- Outer shell PC
- Dimension 63mmx30mmx22mm
- Weight 34g
- Carried standard CE/FCC
- Please note: Must be used with cameras or storage devices that have audio function