Product Detail Type: Pressure gradient solid state condenser microphone Polar Pattern: Cardioid Frequency Response: 30-20,000Hz Pad: -10dB, -20dB Low Cut: 6dB per Octave at 75Hz or 150 Hz . The "Studio Projects C1 Large Diaphragm Condenser Microphone" is best product for you. We recommended Studio Projects C1 Large Diaphragm Condenser Microphone