Studio Projects CS5 Condenser Microphone, Multipattern Pressure-Gradient Transducer: 1.06 Inch (27mm) 6 milimetres mylar diaphragm 50hZ, 75hZ, 150Hz, and 300hZ High Pass Filters at 6dB/octave 15kHz, 7kHz, 5kHz, and 3kHz, Low Pass Filters at 6dB/octave Maxim milimetres SPL: 156dB with -20dB Five Polar Patterns: Cardioid, Wide Cardioid, Hyper Cardioid, Omni, Fig 8