Special Room Monitoring Microphone

PKI 2525Print

Different designs, explosion-proof and watertight versions are available. Easy assembly. Applicable for rooms up to 80 m². Parasitic noise and resonance are perfectly eliminated by the digital filters of these microphones. Whether conference rooms, corridors, prison cells, bus or train: wherever there is verbal communication our special microphones listen in.

Specifications

  • Acoustic range: up to 80 m² (omnidirectional 360°)
  • Frequency range: 20 Hz – 20 kHz
  • Sensitivity: – 45 dB
  • Signal/noise ratio SNR: 70 dB – 80 dB
  • Directional pattern: omnidirectional 360° ball
  • Impedance: 600  Ohm
  • Signal output: 2.5 Vpp / -25 dB
  • Built-in preamplifier.
  • Power supply: DC 12 V ( 8 – 20 V) / ~30 mA
  • Connection cable: 3-wire = Power/Audio/GND (maximum length: 3 km)
  • Dimensions: different versions available. On request, we can also deliver camouflaged versions (smoke detector, pinhole, outdoor design, etc.).