Adastra CBM20 Ceiling Boundary Microphone

£22.91 ex VAT
£27.49 inc VAT
Buy 4+ @ £20.35 each
20+ in stock

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About This Product

Adastra Model: CBM20 Mfg Part Code: 952.346UK

Ceiling Boundary Microphone

Ceiling Boundary Microphone

This low profile ceiling or panel mounting boundary microphone has an omnidirectional pick-up pattern which is suitable for use where discreet audio surveillance is required. Applications range from audio pick-up in induction loop systems to audio monitoring and recording for CCTV systems.

  • Phantom powered (9-52Vdc)
  • Threaded for up to 50mm mounting depth
  • Omnidirectional pickup pattern


Cutout 20mmØ
Frequency response 50Hz-17kHz
Max. input SPL 140dB @ 1kHz (?1% THD)
Sensitivity -39dB ±3dB (0dB=1V/Pa at 1kHz)
Impedance 200? ±30% (at 1 kHz)
Dimensions 70 x 31mmØ
Weight 70g
Power supply 9 - 52Vdc phantom power
GTIN #: 5015972185339