3777B02 - 1/2" Free-field, Prepolarized Condenser Microphone, Typical Sensitivity= 50 mV/Pa.
377C01 - 1/4" Free-field, Prepolarized Condenser Microphone, Typical Sensitivity= 2 mV/Pa.
356B18 - Triaxial, High Sensitivity, Ceramic Shear ICP® Accel., 1000 mV/g, 0.5 to 3k Hz.