DAHUA-2100 HAP301
  • Features

  • Audio sampling module built into the CPU
  • Intelligent protection against audio cracks
  • Wide dynamic range processing technology to obtain a valid audio signal
  • High sensitivity microphone, omnidirectional pickup, clear audio, high anti-inference capability
  • Noise reduction through algorithm to improve signal definition
  • Automatic gain and compensation of human voice frequency
  • Exaggerate the human voice in a very loud environment
  • It can effectively reduce the internal reverberation resulting from reflection through the wall or ceiling
  • Supports shouting control function and can greatly improve the effect of the speaker when the pickup and speaker are in the same environment
  • High speed CPU, real-time processing audio signal, low latency
  • Built-in lighting protection, wrong polarity connection protection, static electricity protection
  • Complies with FCC and CE
  • Specs

  • Collection range of 1 ~ 150 m²
  • Audio transmission distance of up to 3km
  • 20Hz ~ 20KHz response frequency
  • -38dB sensitivity
  • Noise signal reduction: 85dB (1m 40dB SPL audio source), 52dB (10m 40dB SPL audio source)
  • 106dB dynamic range
  • ≤0.3% distortion
  • Maximum sound pressure of 120dB SPL
  • 25Ω unbalanced output resistance
  • Hi-Fi silicon microphone with micro electromechanical system (MEMS)
  • Built-in Preamp Circuit
  • 3-wire connection (power, audio, public GRD)
  • Power: 12V DC
  • Consumption: 0.72W
  • Storage temperature of 0 ° C ~ + 60 ° C
  • Relative humidity of ≤95%
  • Operating temperature of -20 ° C ~ + 60 ° C
  • Aluminum housing
  • Dimensions: Ø70 x 21 mm
  • Weight: 110g