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