Shure SM27 Large Diaphragm Cardioid Condenser Microphone

Product #3851 | SKU SM27 | Shure
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  • Uniform Cardioid Polar Pattern
  • Flat Neutral Frequency Response
  • 3-Position Low-Frequency Cut
  • -15 dB Pad Switch


The SM27 Cardioid Condenser Microphone from Shure is a large diaphragm microphone for capturing vocals and instruments in project studio recording applications. Among the SM27's features is a cardioid polar pattern, -15 dB pad switch and 3-position low-cut filter switch.

The cardioid capsule effectively minimises off-axis noise while reducing feedback and a -15 dB pad maximises headroom, reducing peak noise and distortion caused by transient (peaking) audio signals. The SM27's 3-position low-cut filter switch minimises low-frequency noise and proximity effect. Overall the SM27 is a modestly priced microphone that is sure to please musicians, vocalists, and experienced audio engineers alike.


  • Cardioid polar pattern eliminates feedback and off-axis noise
  • The -15 dB pad switch maximises headroom and minimises distortion caused by peaks
  • Three-position low-cut roll-off switch minimises low-frequency noise


Analogue Performance
Transducer Condenser
Diaphragm 25.40 mm
Polar Pattern Cardioid
Frequency Range 20 Hz to 20 kHz
Signal to Noise Ratio 84.5 dB
Equivalent Noise Level 9.5 dB A-Weighted
Maximum SPL 133 dB SPL
138 dB SPL
Pad -15 dB
THD 1%
Impedance 150 Ohms
Sensitivity -37 dB
Low-Cut Filter 6 dB/Octave @ 115 Hz
18 dB/Octave @ 80 Hz
Dynamic Range 123 dB
128 dB
Output Connectors 1 x 3-Pin XLR
Operating Current Consumption 5.4 µA
Operating Voltage 48 V
Weight 642 g

In The Box

  • Shure SM27 Large Diaphragm Cardioid Condenser Microphone
  • A27SM Elastic Suspension Microphone Shock Mount
  • Zippered Pouch


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  • Product: Shure SM27 Large Diaphragm Cardioid Condenser Microphone
  • Manufacturer: Shure
  • Model: SM27
  • SKU: SM27
  • RM Product #: 3851
  • Element Type: Condenser
  • Polar Pattern: Cardioid
  • Warranty: 2 year manufacturer warranty (excluding consumable e.g. lithium-ion batteries).

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