AKG C7, Studio Quality Condenser Vocal Microphone, High feedback security, Very low handling sounds and pop sounds, Directional characteristic: Super-cardioid, Frequency range: 20 - 20,000 Hz, Peak SPL: 150 dB, Impedance: 600 Ohm, Sensitivity: 4 mV/Pa, Gold-coated membrane to protect against corrosion and