The RSM-90 V.2 benefits from the especially efficient uni-direction cartridge that produces a powerful and strong sound signal. Due to the extended frequency range this cardiode microphone offers a high articulateness regarding voice sound characteristics without neglecting the beat box-relevant lower frequencies. Specs Impedance: < 500 ohms +/-3dB Frequency range: 40 Hz - 15 kHz Sensitivity: -54 dB ±3 dB Incl. 5 m cord Features Dynamic cardiode microphone with switch Integrated XLR connection.