Compact, efficient, and versatile, this mini amplifier board module is designed to deliver clear, lownoise audio amplification for a wide range of applications. Built on the reliable LM386 chip, it offers strong expansion capability while keeping power consumption to a minimum. Key Features costeffectiveness: Operates efficiently with a low power requirement of 3 to 12V, making it more economical than many similar products on the market. Versatile use: Suitable for audio amplification, headphone amplification, electret microphone pickup, and general signal amplification needs. sound quality: Produces clear output with minimal noise for an enhanced listening experience. LM386 chipbased design: Proven circuit foundation ensures performance stability and adaptability for additional functions. Practical Applications 1. Integrate into small DIY audio projects to boost sound output without adding bulk or excessive energy consumption. 2. Use as a headphone amplifier for portable setups where battery life and compact size are critical. 3. Install in microphone systems with electret pickups to improve signal clarity during voice recording or communication. Compact yet powerful, this mini amp module provides dependable performance in spacelimited projects while remaining energyefficient and adaptable to multiple audiorelated applications.