545SD-LC Classic Unidyne Instrument Microphone

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.

Features:

• Exceptionally uniform cardioid pattern minimizes feedback
• Selectable dual-impedance operation
• Silent magnetic reed on/off switch with lock option
• Cardioid dynamic
• Frequency response: 50 to 15,000 Hz