Audio Amplifier Module, 2 Pcs DC 5V Power Board, Dual Channel PAM8403 Stereo Board Module with Potentionmeter

[DC 5V Power Audio Amplifier Board]: It is a small digital power amplifier chip, high-definition sound quality highlights the advantages of digital chips [Specification]: Working voltage of 2.5 V to 2.5 V, 3w * 2 maximum output, efficiency can achieve 90% above, can use computer USB 5 V power supply [Easy to Use]: Equipped with switch, potentiometer, the digital power Amp module is easy and smooth to adjust the volume and control the power switch [High Performance]: Crisp and clear sound output, low noise, give you best hearing enjoyment; Suitable for battery or portable electronics products,suitable for long time steady usage [Package Includes]: Comes with 1 pack of DC 5V power audio amplifier board, compact size, and the total height after installation is approximately 16mm