Shure SM57 cardioid dynamic instrument mic

This must be the hardest-working mic in showbusiness. When in doubt, use a 57.

Frequency response tailored for drums, guitars, and vocals.
Uniform cardioid pickup pattern isolates the main sound source while reducing background noise.
Pneumatic shock-mount system cuts down handling noise.
Extremely durable under the heaviest use.
Legendary Shure quality, ruggedness, and reliability.
Type: Dynamic.
Frequency Response: 40 to 15,000 Hz (see Figure 1).
Polar Pattern:Unidirectional (cardioid), rotationally symmetrical about microphone axis, uniform with frequency (see Figure 2).
Output Level (at 1,000 Hz):
Open Circuit Voltage: -74.5 dB (0.19 mV).
Power Level: -56.0 dB.
Impedance: Rated impedance is 150 ohms (310 ohms actual) for connection to microphone inputs rated low impedance.
Phasing: Positive pressure on diaphragm produces positive voltage on pin 2 with respect to pin 3.
Connector: Three-pin professional audio connector (male XLR type).
Case: Dark gray, enamel-painted, die-cast steel with a polycarbonate grille and a stainless steel screen.
Net Weight (without cable): 284 grams (10 oz).