NADY SP-9 Starpower(TM) Series Professional Stage Microphone Type: Dynamic Microphones Specification: Cartridge type / Magnet: Dynamic / Alnico cartridge Directivity Pattern: Cardioid Frequency Response: 80-12kHz Sensitivity (@ 1KHz,74dB S.P.L.): -70dB+/-3dB Impedance: 600? (Lo Z) Maximum S.R.L. (1%T.H.D.): >130 dB Material Handle: Die-cast Zinc Ballscreen: steel mesh Dimension: 2.1 x 6.9 (53 x 175mm) Weight: 8.5 oz (238g), without cord