Product Introduction
The Shure BETA 181 is a premium side-address condenser microphone designed for professional studio and live applications. With its compact preamplifier design and interchangeable condenser capsules (cardioid, supercardioid, bidirectional, omnidirectional), the BETA 181 offers unmatched flexibility for instruments, overheads, choirs, acoustic setups, and more. Precision-engineered with an innovative locking ring system, it ensures secure capsule connection while delivering studio-quality audio in high SPL environments.
Ideal for guitars, bass, piano, drums, overheads, orchestras, and ambient recording, the BETA 181 is an indispensable microphone for engineers who demand versatility and professional results.
Key Features
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Side-address condenser microphone with interchangeable capsules
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Capsule options: Cardioid, Supercardioid, Bi-directional, Omnidirectional
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Compact preamplifier with integrated 3-pin XLR connection
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Locking ring ensures secure capsule fit
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Tailored frequency response (20 Hz – 20 kHz) for a wide dynamic range
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Handles extremely high SPL for professional instruments and live performance
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Suitable for studio, stage, and broadcast applications
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Includes: XLR preamplifier, microphone clip, windscreen, zippered case, and capsule choice
Technical Specifications
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Transducer Type: Condenser
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Polar Patterns: Cardioid / Supercardioid / Bidirectional / Omnidirectional
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Frequency Response: 20 Hz – 20 kHz
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Sensitivity (dBV/Pa):
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Cardioid: –46.5 dBV/Pa (4.7 mV/Pa)
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Supercardioid: –49.5 dBV/Pa (3.4 mV/Pa)
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Omnidirectional: –52.0 dBV/Pa (2.5 mV/Pa)
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Bidirectional: –51.0 dBV/Pa (2.8 mV/Pa)
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Self Noise (A-weighted): 20 – 23 dB (depending on capsule)
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Max SPL: 151.5 – 157 dB (depending on capsule)
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Impedance: 110 Ω
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Connector: 3-pin XLR
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Phantom Power Requirement: 11 – 52 VDC
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Dimensions: 124 × 34.5 × 20.3 mm
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Weight: 145 g (0.32 lbs)