Includes mics and hardware for core miking of basic sets. Also includes application-specific illustrations of different setups. SM57 Type: Dynamic (moving coil) Frequency Response: 40 to 15,000Hz Polar Pattern: Cardioid Output Impedance: 310 Î Sensitivity (at 1kHz, open circuit voltage): ^'56.0dBV/Pa(1.6mV), 1 Pascal=94dB SPL Polarity Positive pressure on diaphragm produces positive voltage on pin 2 with respect to pin 3 Weight: Net: 0.284kg 0.625lb. Connector: Three-pin professional audio (XLR), male Shure Beta 52A Kick Drum Mic Type: Dynamic (moving coil) Frequency response: 20 to 10,000Hz Polar pattern: Supercardioid, rotationally symmetrical about microphone axis Output Level: (at 1,000Hz) Open Circuit Voltage: -64dBV/Pa (0.6 mV) 1 Pa = 94dB SPL Impedance: Rated impedance is 150Î (45Î actual) for connection to microphone inputs rated low Z Phasing: Positive pressure on diaphragm produces positive voltage on pin 2 with respect to pin 3 Maximum SPL: 174dB at 1000Hz (calculated) Connector: Three-pin professional audio connector (male XLR type) Case: Silver blue enamel-painted die cast metal with hardened, matte-finished steelgrille Adjustable, Locking Stand Adapter: Integral, dynamic locking, adjustable through 180, with standard 5/8-27 thread Net Weight: 605g 21.6oz.