PAM8403 Mini 5V Digital Amplifier Board with Switch Potentiometer can be USB Powered

<p>This is PAM8403 Mini 5V Digital Amplifier Board With Switch Potentiometer. PAM8403 is a small digital amplifier chip, high-definition sound quality highlights the advantages of digital chips, the circuit using the most reasonable peripheral configuration, power supply filtering is upgraded to 470uf (some sellers are less did not even 100uf capacitance).</p> <p>1.6mm glass sheet, the real amplifier board did the most detailed, high-fidelity sound output 3W + 3W, is a rare good product enthusiasts amplifier, potentiometer using the original anti-meter body, potentiometer with the switch can cut off the power supply directly counterclockwise.</p> <p><strong>Usage:</strong><br />Suitable for battery or portable electronics products, suitable for long time steady usage.</p> <p><strong>Note!!!</strong><br />Please make sure the power supply is not more than 5.5V and please don’t do reverse polarity for “+” and “-“, or else, it will burn the board. </p> <hr /> <h4><strong>Features :</strong></h4> <ol> <li>PCB size is about: length 30mm width 22mm overall height after installed is about 16mm</li> <li>Built with switch Potentiometer, can adjust the volume & control power switch freely!</li> <li>Flexible assembly usage.</li> </ol> <hr /> <h4><strong>Package Includes :</strong></h4> <p>1 x PAM8403 Mini 5V Digital Amplifier Board</p>