b'Clockaudio -Boundary Omni Microphones 21C 003E-RF C 011E-RFthrough-table through-table boundary microphone boundary microphoneOmni-directional boundary layer condenser microphonesThis through-table omni microphone was created for designed for a wide range of installed audio, conferencingapplications demanding sonic quality, but also requiring an or security applications. extremely robust housing within an extreme environment.Engineered in high quality brassBalanced output RF-immuneSimple through-table shock mounting Balanced outputFinished in satin black or matt white Simple through-table shock mountingFinished in satin black or nickelModels:C 011E-RFBlack Models: C 011EN-RFNickelC 003E-RF Black C 003EW-RFWhite Model:C 003E-RF Model:C 011E-RFPolar PatternOmni-directional Polar PatternOmni-directionalFrequency Response20Hz ~ 20KHz Frequency Response50Hz ~ 20KHzSensitivity-42dBSensitivity-42dB 3dB at 1KHz (0dB=1v/Pa) 3dB at 1KHz (0dB=1v/Pa)Impedance200W Impedance200WPower Requirements 9 ~ 48v Phantom Power S/N Ratio58dB(A)S/N Ratio58dB(A) TerminationMale 3 pin XLRTerminationMale 3 pin XLR= RF-Immunity Version'