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The Shure 545SD is a high-performance dynamic instrument microphone engineered for demanding professional applications. Its exceptionally uniform cardioid polar pattern effectively minimizes feedback, making it ideal for live sound and studio environments. The microphone features a robust construction, ensuring reliable operation and durability in various settings. A silent magnetic reed on/off switch provides convenient control, enhancing user experience during performances. This switch also includes a lock-on option, preventing accidental power interruptions. Further versatility is offered through its selectable dual-impedance operation, adapting to diverse audio setups. The 545SD delivers clear, articulate sound reproduction for a wide range of instruments.
| Transducer Type | Dynamic |
| Polar Pattern | Cardioid |
| Frequency Response | 50 Hz - 15 kHz |
| Impedance | Dual (Low 150 ohms, High 300 ohms) |
| Connector | XLR |
| Switch | Silent magnetic reed on/off with lock-on option |
| Housing | Die-cast metal |
| Output Level | -58 dBV/Pa |
| Application | Instrument, Vocals |