Beskrivelse
DS-2FP2020HI-FI Microphone for CCTV• High sensitivity omnidirectional capacitor microphone, omnidirectional pickup sound clearly and naturally;• Built-in lightning protection, reverse polarity protection and electrostatic protection;• RoHS compliant, without hazardous substances banned by the EU;• Compliant with EU CE standards, US FCC certification. Teknisk information DS-2FP2020 HI-FI Microphone for CCTV Pickup range 70 sq.m Audio transmission distance 3000m Sensitivity -34dB Frequency response 20Hz~20KHz Directivity characteristics Omnidirectional SNR 60dB(1m40 dB audio tone SPL)40dB(10m 40 dB audio tone SPL)1KHz at 1 Pa Dynamic Range 70dB(1KHz at Max dB SPL) Maximum sound pressure 100dB SPL(1KHz,THD 1%) Output impedance 600 ohm unbalanced Output signal amplitude 2.5Vpp/-25dB Microphones Capacitor microphone diaphragm The signal processing circuit ANC ambient noise cancellation technology Protective Circuit 30KV Air contact ESD, lightning protection, reverse polarity protection; Drive Capability Built-in pre-amplifier circuit can directly drive headphones; Connection Mode 3 wires (Power, Audio out, GND) Transmission Cable 3-core shielded cable 0.5mm² RVVP Supply Voltage DC 12V (9V-15V) Supply Current Max 25mA Working Temperature -25?~70? Installation Mode Fixed Pedestal Mounting Color White/Blue Shell Material PVC External Size F78mm×28mm Weight 60g
