Shure

Shure BETA 27 Supercardioid Condenser Microphone

4.1 (6 reviews)
Condenser

A supercardioid studio condenser with surgical off-axis rejection and vanishingly low self-noise — engineered for critical instrument tracking and high-SPL stage work.

$419.00*
In Stock on Amazon.com
View on Amazon

*Price sourced from Amazon.com. Last updated:Jul 14, 2026.Price and availability are subject to change.

Affiliate Disclosure: Studio Supplies may earn a commission from qualifying purchases made through links on this page, at no additional cost to you. This helps support our editorial team.

Notice a mistake? Let Us Know

Overview

The Shure BETA 27 is a side-address condenser built for engineers who prioritize isolation, accuracy, and headroom above all else. Its supercardioid polar pattern provides a tighter pickup window than standard cardioid designs, delivering superior rejection of off-axis sound — a critical advantage when tracking instruments in dense live-stage environments or recording in studios where bleed between sources is a constant battle. The 1-inch externally biased diaphragm uses an ultra-thin, 24-karat gold-layered Mylar membrane that responds to transients with speed and precision, capturing the initial attack of a snare hit, the pluck of an upright bass, or the crack of a trumpet note with lifelike immediacy. The frequency response is intentionally flat and neutral: what goes in is what comes out, with no exaggerated presence peak or hyped low end to fight in the mix.

Practically, the BETA 27 is built like a professional tool that expects to be used hard. The all-metal body is hefty but inspires confidence, and the integrated three-layer pop filter handles wind and breath noise without external accessories. The -15 dB pad switch and 3-position low-frequency filter are recessed to prevent accidental switching mid-take — small details that reflect real-world session thinking. Gold-plated XLR output and premium internal electronics maintain signal purity from capsule to cable, and the 140 dB maximum SPL means you can plant it in front of a cranked Marshall cabinet or a fortissimo brass section without flinching. It ships with a padded zippered case and a swivel adapter, ready to drop onto a stand and start capturing. For engineers who want a condenser that tells the truth about the source and stays out of the way, the BETA 27 delivers with quiet authority.

Key Features

Side-address Supercardioid Condenser Instrument Microphone with 15dB Pad Switch

Specifications

Transducer Type
Externally biased condenser
Diaphragm
1" ultra-thin 24K gold-layered Mylar
Polar Pattern
Supercardioid
Frequency Response
20 Hz – 20 kHz
Sensitivity
-37.5 dBV/Pa
Self-Noise
15 dB-A
Signal-to-Noise Ratio
78 dB
Maximum SPL
140 dB (without pad) / 155 dB (with -15 dB pad)
Pad
-15 dB switchable
Low-Frequency Filter
3-position switchable
Power Requirement
48V phantom power
Connector
XLR (gold-plated)
Weight
2.2 lbs (1.0 kg)
Dimensions
10 x 5.5 x 4 inches
Included Accessories
Padded zippered carrying bag, swivel mount adapter

Pros & Cons

👍 Pros

  • The supercardioid polar pattern delivers exceptional off-axis rejection, keeping bleed from adjacent instruments and stage monitors out of your tracks in ways that standard cardioid mics cannot match.
  • At 15 dB self-noise with a 78 dB signal-to-noise ratio, it captures quiet acoustic details — room decay, fingerpicking nuance, brush work — without adding perceptible hiss to the signal.
  • The switchable -15 dB pad and 3-position low-frequency filter give you onboard control over gain staging and proximity effect without reaching for outboard processing.
  • The 24-karat gold-layered Mylar diaphragm provides fast, accurate transient response that faithfully captures the attack of percussion, plucked strings, and brass.
  • Gold-plated XLR connector and premium internal components ensure clean signal transfer with minimal self-generated interference, maintaining signal integrity across long cable runs.

👎 Cons

  • The supercardioid rear lobe picks up sound from directly behind the mic, requiring more deliberate positioning than a simple cardioid — less forgiving in quickly set-up live scenarios.
  • At 2.2 pounds with its substantial metal body, it's heavier than many side-address condensers, which can strain lightweight boom stands and complicate overhead positioning.
  • The flat, neutral frequency response may sound understated compared to mics with a hyped presence peak — vocalists expecting a forward, "produced" sound out of the box may find it too honest.
  • No shock mount is included in the box; you'll need to purchase one separately to isolate it from stand-borne vibration, which adds to the initial investment.
  • The side-address form factor is larger than pencil condensers, making it harder to position in tight spaces between drum hardware or in dense multi-mic instrument setups.

Frequently Asked Questions

It requires standard 48V phantom power and draws minimal current, so any professional interface, mixer, or outboard preamp with phantom power will drive it cleanly. It will not operate on lower phantom voltages.
The supercardioid pattern has a tighter front pickup and a small rear lobe, which means you get superior side rejection but need to be aware of sources directly behind the mic. Position it so the rear lobe points away from monitors or bleed sources. The payoff is noticeably better isolation on crowded stages and in multi-mic studio setups.
Engage the pad when tracking extremely loud sources — close-miked brass, cranked guitar cabinets, or kick drum shells at high stage volumes. The BETA 27 handles 140 dB SPL without the pad, but engaging it gives you headroom to keep your preamp input clean when SPLs are consistently punishing.
It offers flat response plus two roll-off settings to tame proximity effect when close-miking or to cut low-frequency stage rumble. In a live setting, engaging the filter cleans up muddiness from floor vibration. In the studio, it can reduce the need for post-production high-pass EQ on boomy sources.
While Shure positions it as an instrument microphone, its flat frequency response and low 15 dB self-noise make it very capable on vocals — particularly for singers who want a neutral, uncolored capture. The supercardioid pattern demands good mic discipline, so vocalists who move around may prefer a cardioid alternative.