The Shure BETA 58A is a high-output supercardioid dynamic vocal microphone for professional sound reinforcement and project studio recording. It keeps a true supercardioid pattern across its frequency range. This pattern gives maximum gain before feedback and rejects off-axis sound.
The frequency response is shaped for close-up vocals, with a brightened midrange and a bass roll-off that controls proximity effect. A neodymium magnet gives greater sensitivity and higher output. A built-in pop filter reduces wind and breath noise.
The housing is enamel-coated die-cast metal with a hardened, dent-resistant steel mesh grille. A pneumatic shock mount system minimizes the transmission of mechanical noise and vibration.
- Type
- Dynamic (moving coil)
- Polar pattern
- Supercardioid
- Frequency response
- 50 to 16,000 Hz
- Output impedance
- EIA rated at 150 Ω (290 Ω actual)
- Sensitivity
- -51.5 dBV/Pa (2.6 mV) at 1 kHz, open circuit voltage; 1 Pa = 94 dB SPL
- Polarity
- Positive pressure on diaphragm produces positive voltage on pin 2 with respect to pin 3
- Connector
- Three-pin professional audio (XLR), male, balanced
- Housing
- Silver blue enamel-painted die-cast metal with hardened, matte-finished steel mesh grille
- Weight
- 0.278 kg (0.62 lbs)
- In the box
- BETA 58A microphone, A25D adjustable stand adapter, 95A2050 5/8" to 3/8" (Euro) thread adapter, 26A21 storage bag