an embodiment of the present invention will be described below with reference to the accompanying drawings in the condenser microphone according to an embodiment of the present invention elements similar to those in the conventional condenser microphones shown in fig6 to 8 are given the same reference numerals as shown in fig1 the condenser microphone according to an embodiment of the present invention includes a cylindrical microphone case 1 a microphone unit 2 and a specified microphone connector 4 the microphone unit 2 and the specified microphone connector 4 are respectively mounted in the front and rear ends of the microphone case 1 the circuit board 3 is interposed between the microphone unit 2 and the microphone connector 4 sound waves received by the microphone unit 2 are converted into electric acoustic signals the converted signals are amplified by an impedance converter to be output from the microphone connector 4 the output signals are transmitted from the microphone connector 4 to the predetermined external circuit and device via a cable connector and cable both connected to the microphone connector 4 in the microphone connector 4 a pin insert 5 is disposed inside a cylindrical connector sleeve 60 such that the pin insert 5 is fixed to the connector sleeve 60 with a thread 9 the pin insert.