Microphone Circular HD CCTV Microphone COTT-QD55

 

DSP condenser microphone, highly sensitive capacitive element with silver-plated membranes. 360 ° Omni-directional. Frequency x-ka 20Hz ~ 20kHZ. Sensitivity -35dB. Signal / noise 70dB (1m 40 dB useful signal level). Dynamic range 104dB (1kHz at max SPL). Maximum sound level 120dB SPL (1kHz, THD 1%). Impedance 600-1000Ω, output signal level 2.5Vpp. Digital DSP signal processing, AGC, ALC. Adjusted ESD and lightning protection, protection for power polarity. Power supply: DC10 ~ 18V / 20mA. Operating temperature: -25ºC ~ 70ºC. PVC case with dimensions: Ø86x22mm. For rooms with an area of 10-100m2. Weight 0.070 Kgr