Hikvision CCTV Microphone Security Audio Pickup DS-2FP2020 High Sensitive Microphone Pre-amp Audio Pickup Device

Description

DS-2FP2020 Pick up distance: 70 square meters Audio transmission distance: 3000 meters Sensitivity: -34dB Frequency response: 20Hz ~ 20KHz Pointing feature: omnidirectional Signal to noise ratio: 60dB (1m 40 dB source SPL) 40dB (10m 40 dB source SPL) 1KHz at 1 Pa Dynamic range: 70dB (1KHz at Max dB SPL) Maximum sound pressure: 120dB SPL (1KHz, THD 1%) Output impedance: 600 ohm unbalanced Output signal amplitude: 2.5Vpp/-25dB Microphone: Omnidirectional microphone Signal Processing Circuit: ANC Environmental Noise Cancellation Technology Protection circuit: 30KV Air contact ESD, lightning protection, power polarity reverse connection protection Drive capability: built-in preamplifier circuit for direct drive Connection method: 3 leads (power, audio, public ground) Transmission cable: 3-core 0.5mm2RVVP shielded cable Power supply voltage: DC regulated power supply DC 12V (9V--15V) Supply current: 25mA Working environment temperature: -25 ° C ~ 70 ° C Color: white / dark blue Shell material: PVC Dimensions: Φ78mm × 28mm Weight: about 82g