Alksubbm MAX9814 Low Noise Preamp Board with Programmable Attack Release, 2.7V-5.5V Wide for Microphone Auto Gains Control Module

[Broad-Spectrum Compatibility Design] Compatible with various development boards facilitating seamless integration with existing projects without the need for additional adapters [Automatic Gains Control] Built-in automatic gains control function provides three selectable gains setting of 40dB, 50dB, and 60dB, ensuring clear auditory input in various environments [Fast Response Capability] Programmable attack and release ratios ensuring rapid response to auditory changes, maintaining natural and smooth sound [Wide Voltages Ranging] Supports power supply voltages from 2.7V to 5.5V, flexibly adapting to various power supply conditions and enhancing device compatibility [Low-Noise Performance] Low input reference noise density of just 30nV, purer audiory and reducing background noise interferences