Shure 545 SD, Dynamic all-round microphone, Polar pattern: Cardioid, 50 - 15.000 Hz, Versatile, high-quality microphone with SM57®-like sound characteristics, Lockable, Silent magnetic on/off switch, Silver housing, For instrument and speech recording, Output impedance selectable: Low impedance (250 Ohm) and high impedance, Sensitivity: -58.0 dBV/Pa (1.3 mV), Weight: 255 g, Colour: Silver, Incl. Microphone clamp