The Expat Audio Mic Pre Frontend is a digital control platform and front-end that can be adapted into virtually mic preamp project.

Mic Pre Frontend Features:

• Switches relays for Phantom Power, pad, and polarity reverse
• Accepts 3.3V digital control source input
• Connections for analog ground, digital ground, relay switch voltage (12V), and phantom power
• Compatible with Neutrik combo XLR / 1/4″ input connector; 1/4″ can be sent through pre or external DI circuit

Price:

• $7.95 for PCB
• $25.95 adjusted cost

More Information:

• Available from Expat Audio
• Download the manual
• View the Mouser BOM