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SKU
136854
MPN
545SD-LC
UPC
042406051873

Shure 545SD Classic Unidyne Cardioid Dynamic Instrument Mic

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  • Dynamic cardioid microphone for instruments or speech
  • Dual-impedance design for flexible connectivity
  • Silent magnetic reed On/Off switch with lock-on function
  • Uniform cardioid pattern minimizes background noise and feedback
  • Rugged, stage-ready build with silver finish
  • No external power required
  • Compatible with XLR 3-pin connectors

The Shure 545SD Classic Unidyne Cardioid Dynamic Instrument Mic is a legendary Unidyne® dynamic cardioid microphone known for its clear, natural sound and rugged reliability. Built for both instrument amplification and public address applications, this mic is ideal for live performance, studio recording, and speech at venues like schools, churches, stadiums, and convention halls.

This mic features dual-impedance operation (pre-wired for low impedance) and a silent magnetic reed On/Off switch that can be locked for continuous use. Its uniform cardioid pickup pattern delivers excellent gain-before-feedback and sound isolation in live sound environments.

Engineered with Shure's signature durability, the 545SD-LC offers exceptional performance for guitar amps, drums, brass instruments, and more—making it a top choice for touring pros and sound engineers alike.

Specifications:

Key Features

  • Polar Pattern: Cardioid
  • Element Type: Dynamic
  • Frequency Response: 50 Hz – 15 kHz
  • Connectivity: 1x XLR 3-Pin Output
  • Switch: On/Off (Lockable), Impedance Selection
  • Power: No power required
  • Mounting Thread: 5/8"-27 (includes 3/8"-16 adapter)
  • Weight: 8.99 oz / 255 g
  • Color: Silver

Key Features:

  • Dynamic cardioid microphone for instruments or speech
  • Dual-impedance design for flexible connectivity
  • Silent magnetic reed On/Off switch with lock-on function
  • Uniform cardioid pattern minimizes background noise and feedback
  • Rugged, stage-ready build with silver finish
  • No external power required
  • Compatible with XLR 3-pin connectors
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More Information
SKU136854
BrandsShure
MPN545SD-LC
UPC042406051873
Product ConditionNew
Specifications
Polar PatternCardioid
Element TypeDynamic
Frequency Response50 Hz – 15 kHz
Connectivity1x XLR 3-Pin Output
SwitchOn/Off (Lockable), Impedance Selection
PowerNo power required
Mounting Thread5/8"-27 (includes 3/8"-16 adapter)
Weight8.99 oz / 255 g
ColorSilver
WARNING: This product may expose you to chemicals which are known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov.
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