Shure BETA 181 Ultra-Compact Side-Address Condenser Instrument Microphone Super-Cardioid
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Shure BETA 181 Ultra-Compact Side-Address Condenser Instrument Microphone Super-Cardioid

SKU: SHBETA181S MFR: BETA 181/S
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Key Features

  • Capture pristine sound with the Shure Beta 181 instrument microphone, perfect for studio recording.
  • Achieve exceptional clarity with this condenser microphone, ideal for detailed instrument reproduction.
  • Enjoy versatile recording options; the Beta 181 excels on drums, guitars, and various instruments.
  • Minimize unwanted noise; this low-noise microphone ensures clean, professional-quality audio capture.
  • Rely on Shure's durability; the Beta 181 is built to withstand rigorous use, session after session.
  • Selectable polar patterns offer flexibility in diverse recording environments, optimizing sound capture.
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Special Order Item?Estimated to Ship: 12/13/2025
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Questions & Answers

FAQ

What is the advantage of the interchangeable capsules on the Shure Beta 181 Microphone?

The interchangeable capsules on the Shure Beta 181 Microphone allow you to switch between cardioid, supercardioid, omnidirectional, and bidirectional patterns. This versatility means you can tailor your sound capture to any recording scenario, making it ideal for a range of applications from studio recording to live performances and broadcasting.

What does 'side-address' mean in the context of this microphone?

A 'side-address' microphone is designed to pick up sound from the front (or side) of the microphone rather than the top. This design makes it easy to position the microphone for optimal sound capture, especially in tight or confined spaces.

What is the benefit of the small diaphragm design of the Shure Beta 181 Microphone?

The small diaphragm design of the Shure Beta 181 Microphone provides a consistent, textbook polar response and delivers a sound that is detailed and transparent. This makes it particularly effective for isolating sound sources in noisy environments.

What type of connector does the Shure Beta 181 Microphone use?

The Shure Beta 181 Microphone uses an XLR connector, which is compatible with a wide variety of audio equipment. This allows for greater flexibility in the types of devices you can use with the microphone.

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Review Summary

Shure BETA 181/BI Specifications

  • Cartridge Type

    Electret Condenser

  • Frequency Response

    20Hz to 20kHz

  • Output Impedance

    110 ohm

  • Sensitivity

    -51.0 dBV/Pa (2.6 mV) (open circuit voltage, @ 1 kHz, typical)

  • Maximum SPL

    2500 ohm load: 156.0 dB SPL
    1000 ohm load: 153.5 dB SPL (1 kHz at 1% THD)

  • Signal-to-Noise Ratio

    71.0 dB

  • Dynamic Range

    2500 ohm load: 133.0 dB
    1000 ohm load: 130.5 dB

  • Clipping Level

    2500 ohm load: 10.5 dBV
    1000 ohm load: 7.5 dBV (@ 1 kHz, 1% THD)

  • Self Noise

    23.0 dB SPL-A (equivalent SPL, A-weighted, typical)

  • Common Mode Rejection

    =55 dB

  • Polarity

    Positive pressure on diaphragm produces positive voltage on pin 2 with respect to pin 3

  • Power Requirements

    11-52 V DC phantom power (IEC-61938) 2.4 mA, maximum

  • Weight

    145 g (5.1 oz)

  • UPC Code

    042406187879

About Shure BETA 181/BI

The Shure Beta 181/BI is an ultra-compact, small-diaphragm side-address condenser microphone, designed for discreet placement and control in live and studio environments. Featuring interchangeable cardioid, supercardioid, omnidirectional and bidirectional capsule options for superior versatility, the small diaphragm design provides superior audio with consistent, textbook polar responses in a form factor small enough to get close to the source in the tightest conditions.

Shure BETA 181/BI Features

  • BETA 181/BI (bi-directional) for mono drum overhead, dual instrument sound source applications, Blumlein stereo technique (pair of Beta 181/BI)
  • Interchangeable polar pattern capsules attach to a compact preamplifier with integrated XLR connections for the ultimate in low-profile application flexibility
  • Precision-engineered, compact side-address design features innovative locking ring to provide secure connection between capsule and preamplifier
  • Frequency response tailored for wide dynamic range applications for use in high SPL environments
  • Furnished with stand adapter, windscreen and carrying case (carrying case will securely protect up to four polar pattern capsules)

Warranty Information

This product has a limited warranty of 24 months.

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Key Features

  • Capture pristine sound with the Shure Beta 181 instrument microphone, perfect for studio recording.
  • Achieve exceptional clarity with this condenser microphone, ideal for detailed instrument reproduction.
  • Enjoy versatile recording options; the Beta 181 excels on drums, guitars, and various instruments.
  • Minimize unwanted noise; this low-noise microphone ensures clean, professional-quality audio capture.
  • Rely on Shure's durability; the Beta 181 is built to withstand rigorous use, session after session.
  • Selectable polar patterns offer flexibility in diverse recording environments, optimizing sound capture.

What's in the box:

  • Shure BETA 181 Ultra-Compact Side-Address Condenser Instrument Microphone
  • A57F Mic Clip
  • A181C Zippered Carrying Case
  • A181WS Windscreen
  • Shure Warranty