This product is listed in: Audio Surveillance Equipment

Special Room Monitoring Microphone

Product number: PKI 2525

Different designs, explosion-proof and watertight versions are available. Easy assembly. Applicable for rooms up to 80m². 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  PKI 2525 Special Room Monitoring Microphone listen in. On request, we can also deliver camouflaged versions (smoke detector, pinhole, outdoor design, etc.).

Acoustic rangeUp to 80 m² (omnidirectional 360°)
Frequency range20 Hz - 20 kHz
Sensitivity -45 dB
Signal/noise ratio SNR70 dB - 80 dB
Directional patternOmnidirectional 360° ball
Impedance600 Ohm
Signal output2.5 Vpp / -25 dB
Built-in preamplifier
Power supplyDC 12 V ( 8 - 20 V) / ~30 mA
Connection cable3-wire = Power/Audio/GND (maximum length: 3 km)
DimensionsDifferent versions available