NEO90 Kustom Hi-Impedance Dynamic Mic with XLR connector to 1/4-inch plug that works with any Kustom P.A. system.  Cardioid Pattern Neodymium Magnet Cartridge Construction  Freq. Response: 50Hz - 15kHz Sensitivity: -72dB + 3dB* * SPL = 74dB, 0dB = 1V/u bar, at 1,000Hz indicated by open circuit