Pair MXL 603S Condenser / Overhead Microphones w/2 FREE XLR Cables and 2 Boom Stands Frequency Range: 30Hz-20kHz Sensitivity: 15mV/Pa Impedance: 150W S/N Ratio: 77dB (Ref. 1Pa A-weighted) Equivalent Noise Level: 17dB (A weighted IEC 268-4)