1、This module uses professional microphone amplifier IC, which possess high sensitivity 2、Sound sensor module have small volume and low output noise, the fixed gain is 20dB, support 3.3v and 5v 3、Low power consumption of sensor is easy to control, more stable and more efficient 4、Microphone sound sensor module possess small size, more stable performance and simpler installation 5、The sound sensor is suitable for assembly, and installed on various small equipment like microphone and robot <div class="wang-edit-text">Item Type: Sound Sensor ModuleVoltage: 3-5VAO: Analog output, real-time output of microphone voltage signalDo: When the sound intensity reaches a certain threshold, output high and low level signals. (threshold sensitivity can be adjusted by potentiometer)1. There are approx. 3mm / 0.1in mounting screw holes2. Use 5V DC power supply3. With analog output4. Threshold flip level output5. High sensitivity microphone6. With power indicator7. The comparator output has indicator lights<style> .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }</style> 5&nbsp;x Sound Sensor Module