High Fidelity Surveillance Microphone (Plastic) Add high quality audio to any surveillance installation with the VSAMICA2. This microphone enables audio recording and features adjustable sensitivity, DNR and auto gain control. Features 85dB signal noise reduction for low background noise 1 ~ 150m² effective range Adjustable sensitivity; audio gain control Dynamic range up to 106dB (1KHz at Max dB SPL) Stylish plastic casing Specifications Microphone: MEMS Silicon Microphone Operation Area: 1 ~ 150m² Sensitivity: -38dB Bandwidth Frequency: 20Hz ~ 20kHz Direction: Omni-directional Signal-to-Noise Ratio: 85dB (1m 40dB sound source SPL)/52dB (10m 40dB sound source SPL)/1kHz at 1Pa Dynamic Range: 106dB (1KHz at Max dB SPL) Max. Sound Pressure: 120dB SPL (1KHz, THD 1%) Output Impedance: N/A Output Signal Amplitude: 2.5Vpp/-25dB Power Supply: 12VDC (9 ~ 18V) Power Consumption: 60mA Operation Environment: -20°C~+60°C Ingress Protection: N/A Material: PC+ABS Plastic Dimensions: Φ79.6 x 21.5mm Weight: 0.06kg Interface Ports: 1 x RCA female ports, 1 x DC power port
