Bad Axx 904-HSMCAMK CM40 Condenser Microphone Studio Package The BadAax CM40 Cardioid 1" Studio Condenser Microphone is a professional wide-diaphragm, cardioid condenser microphone Low frequency roll-off switch.There should be a click once the cable is engaged properly. True condenser pressure-gradient microphone with 1" diaphragm 3-pin XLR gold plated connector, FET pre-amplifier Also includes boom stand, shock mount, mic cable and pop filter