Product Description
Adastra CBM20 Recessed Microphone
Ceiling Boundary Microphone with discreet profile for ceiling or panel with omnidirectional pickup pattern suitable for use where discreet sound surveillance is required. Applications range from audio capture in induction loop systems to audio monitoring and recording for CCTV systems.
Phantom powered (9-52Vdc)
Threaded for mounting in a hole up to 50 mm
Omnidirectional pickup pattern
Characteristics:
Power supply: 9-52Vdc phantom power
Cutting diameter: 20mmØ
Connection: XLR male
Frequency response: 50Hz-17kHz
Max Input SPL: 140dB @ 1kHz
Sensitivity: -39dB ±3dB (0dB=1V/Pa at 1kHz)
Impedance: 200 ±30% (at 1 kHz)
Dimensions: 72 x 32mmØ
Weight: 76g