Features High Gain Amplifier: This module offers a gain of 67, ensuring superior audio quality and performance that meets microphone bandwidth requirements Floating AUD Output: Experience reliable performance with the AUD output maintaining a stable voltage at half of the condenser position when idle Impressive Peak Output: Achieve a peak output of approximately 200mV when speaking at a normal dialogue volume, perfect for clear audio transmission Space-Saving Design: The bottom port input aligns flush with your custom shell, minimizing additional soldering for a streamlined DIY setup Easy Microcontroller Integration: Effortlessly connect the AUD output to your microcontroller's ADC, simplifying your project development and enhancing functionality Features: 1、The amplifier module on the breakthrough has a gain of 67, which exceeds the microphone bandwidth requirement. 2、When no sound is received, the AUD output of the microphone module will float at one？half of the volt current condenser position. 3、When the microphone keeps a certain distance from the arm and speaks into the microphone at a normal dialogue volume, the module in the amplifier will produce a peak output of about 200mV. 4、The input of the bottom port can be flush with the shell you make, which can reduce additional welding. 5、This AUD output can be easily connected to the ADC of the microcomputer. Specification: Item Type: Microphone Module Material: PCB Purpose: Suitable for college students, engineers, technicians, factories, individual DIY, electronic enthusiasts and other learning Power Supply Voltage: 1.5～3.3V DC Output Power: 40mW Signal To Noise Ratio: 62dBA Size: Approx. 1.3 x 1cm / 0.5 x 0.4in Package List: 1 x Module 1 x Pin Package List 1 x Module 1 x Pin