PFM140
DH-PFM140
Features
- Omni-directional condenser microphone, high fidelity;
- 30KV Air contact ESD, built-in Lightning Protection, power supply polarity reversal protection and electrostatic protection;
- Pinhole design, hidden installation; match with cameras or storage devices which have audio function!
Specifications
Model | DH-PFM140 |
Properties | |
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 |