Shure's Classic Unidyne Instrument Mic
Vintage mic aficionados at Sweetwater are stoked — Shure's classic Unidyne instrument microphone is back, and better than ever. In the late 1960s, Shure's Unidyne III technology evolved into the SM57 we know and love; a mic that became a cornerstone of all genres of music. But before the SM57, there was the 545; and it was a fixture on stages and in studios around the world.Impressive versatility
Today's 545SD features dual-impedance operation and a uniform cardioid polar pattern that make it a versatile dynamic mic for the capture of many types of instruments as well as for use on lecterns in public address systems. Its lockable on/off switch further increases its impressive utility. Stock your studio with a piece of music history: the Shure 545SD!
Shure 545SD Dynamic Microphone Features:

Ideal for the capture of many types of instruments
A popular choice for use

Sweetwater is an Authorized Shure Dealer

Shure 545SD Cardioid Dynamic Instrument Microphone

Dynamic Microphone with Cardioid Pickup Pattern, 50Hz-15kHz Frequency Response, Selectable Dual-impedance Operation, and Lockable On/Off Switch

Shure's Classic Unidyne Instrument Mic

Vintage mic aficionados at Sweetwater are stoked — Shure's classic Unidyne instrument microphone is back, and better than ever. In the late 1960s, Shure's Unidyne III technology evolved into the SM57 we know and love; a mic that became a cornerstone of all genres of music. But before the SM57, there was the 545; and it was a fixture on stages and in studios around the world.

Impressive versatility

Today's 545SD features dual-impedance operation and a uniform cardioid polar pattern that make it a versatile dynamic mic for the capture of many types of instruments as well as for use on lecterns in public address systems. Its lockable on/off switch further increases its impressive utility. Stock your studio with a piece of music history: the Shure 545SD!

Shure 545SD Dynamic Microphone Features:

  • Ideal for the capture of many types of instruments
  • A popular choice for use on lecterns in public address systems
  • Uniform cardioid polar pattern for effective feedback resistance
  • Selectable dual-impedance operation
  • Silent magnetic reed on/off switch with lock option
  • Frequency response: 50Hz–15kHz
SpecificationDetail
Microphone Type Dynamic
Polar Pattern Cardioid
Frequency Response 50Hz-15kHz
Output Impedance 150 ohms (250 ohms actual), optional high impedance setting
Sensitivity Low -58dB (1.3mV), High -35dB (17.6mV)

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