Details

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The Shure 545SD-LC Classic Unidyne® Microphone is a versatile cardioid dynamic microphone designed for instrument pickup, recording, and public address systems. It features a silent magnetic reed on/off switch with lock-on option, dual-impedance operation, and an exceptionally uniform cardioid polar pattern to minimize feedback while ensuring clear, professional sound reproduction.

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Key Features (Bullet Points)

• Classic Unidyne® Design – A favorite for instruments, recording, and public address systems

• Uniform Cardioid Polar Pattern – Reduces feedback and captures clean audio

• Silent Magnetic Reed On/Off Switch – With lock-on option for seamless operation

• Selectable Dual-Impedance – Shipped in low-impedance mode, switchable to high-impedance

• Cardioid Dynamic Microphone – Durable, reliable, and stage-ready

• Frequency Response – 50 Hz – 15 kHz for natural sound reproduction

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Specifications

• Weight: 255 g / 0.562 lbs

• Transducer Type: Dynamic

• Polar Pattern: Cardioid

• Frequency Response: 50 Hz – 15 kHz

• Sensitivity: Low: -58 dBV/Pa (1.30 mV), High: -35 dBV/Pa (17.60 mV)

• Impedance: 100 Ω (dual-impedance selectable)

• Output Connector: 3-Pin XLR

• Switchable Low Cut: No

• Attenuation Pad: No

• Interchangeable Capsule: No