Adastra: 952.347UK, Ceiling Boundary Microphone, Omnidirectional, Phantom Powered, 20mm Cutout Size, 76g
About this product
Ceiling Boundary Microphone
Low profile ceiling or panel mounting boundary microphone with an omnidirectional pick-up pattern which is suitable for use where discreet audio surveillance is required. Applications include:
- Audio pick-up in induction loop systems.
- Audio monitoring and recording for CCTV systems.
Key Features:
- Phantom powered (9-52Vdc)
- Threaded for up to 50mm through-hole mounting
- Omnidirectional pickup pattern
- Compact design for easy installation
Compliant with UK regulations for audio equipment.
Specifications
Specifications
Cutout Size | 20mmØ |
---|---|
Weight | 0.076 kg |
Impedance | 200 Ohms ±30% (at 1 kHz) |
Connection Type | XLR male |
Sensitivity | -39dB ±3dB (0dB=1V/Pa at 1kHz) |
Power Supply | 9-52Vdc phantom power |
Max. Input SPL | 140dB @ 1kHz (≤1% THD) |
Frequency Response | 50Hz-17kHz |
Ceiling Boundary Microphone (Omnidirectional) features

Adastra: 952.347UK, Ceiling Boundary Microphone, Omnidirectional, Phantom Powered, 20mm Cutout Size, 76g