545SD
Classic Instrument Microphone


Instrument microphone delivers an exceptionally uniform cardioid pattern to minimize feedback. It features a silent magnetic reed on and off switch with lock-on option and selectable dual-impedance operation.

Product Details
The predecessor to the SM57, the 545SD Classic Unidyne® Instrument Microphone is a dual-impedance, unidirectional, dynamic microphone.
Shipped connected for low-impedance operation, the 545SD features a silent magnetic reed on/off switch with lock-on option. A favorite for instrument pickup and recording, the 545SD can also be used on lecterns in public address systems.
- Exceptionally uniform cardioid pattern minimizes feedback
- Selectable dual-impedance operation
- Silent magnetic reed on/off switch with lock option
- 1 - A25D Microphone Clip
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PAG-NAG Calculator
PAG/NAG is a concept that can be used to determine if a sound reinforcement system can produce enough gain to provide an optimal listening experience before causing feedback.
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