Features of the Shure BETA58A Handheld Dynamic Microphone – Super-Cardioid: Frequency response tailored for vocals, with brightened midrange and bass rolloff to control proximity effect Uniform supercardioid pattern for high gain before feedback and superior rejection of off–axis sound Neodymium magnet for high signal–to–noise output Hardened steel mesh grille that resists wear and abuse Advanced pneumatic shock mount system that minimizes transmission of mechanical noise and vibration Minimally effected by varying load impedance Legendary Shure quality and reliability Specifications: Type Dynamic (moving coil) Frequency Response 50 to 16,000 Hz Polar Pattern Supercardioid, rotationally symmetrical about microphone axis, uniform with frequency. Output Level (at 1,000 Hz) Open Circuit Voltage: -51.5 dBV/Pa* (2.6 mV) *1 Pa = 94 dB SPL Impedance Rated impedance is 150 ohms (290 ohms 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. Case Silver blue enamel-painted die cast metal with hardened, matte-finished, spherical steel mesh grille. Adjustable, Stand Adapter Slip-in microphone mounting, unbreakable, adjustable through 180 degrees with standard 5/8″-27 thread, black finish. Dimensions See User Guide. Net Weight 278 grams (9.92 oz)
