Buy on Amazon : http://www.amazon.com/gp/product/B008LV09LA?tag=scratchandsti-20 <br /> <br />Earthworks M23 Omnidirectional High Definition Measurement Microphone 9Hz-23kHz Frequency Response <br /> <br />Frequency Response 9Hz-23kHz 1-3dB <br />Polar Pattern Omnidirectional <br />Sensitivity 30mVPa -305dBVPa <br />Power Requirements 48V Phantom 10mA <br />Max Acoustic Input 142dB SPL
