CBM20 Ceiling Boundary Mic

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 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 through-hole mounting
• Omnidirectional pickup pattern

Specifications

• Power supply: 9-52Vdc phantom power
• Cutout diameter: 20mmØ
• Connection: XLR male
• Frequency response: 50Hz-17kHz
• Max. input SPL: 140dB @ 1kHz (≤1% THD)
• Sensitivity: -39dB ±3dB (0dB=1V/Pa at 1kHz)
• Impedance: 200 Ohms ±30% (at 1 kHz)
• Dimensions: 72 x 32mmØ
• Weight: 76g