Płytka wzmacniacza cyfrowego PAM8403 5V z potencjometrem przełączającym, zasilana przez USB

Circuit adopts the reasonable configuration, power filtering is upgraded to 470 uf, 1.6 mm glass fiber sheet, great performance. Output of 3 w + 3 w high-fidelity sound quality. The potentiometer adopts the original anti-watch body, and the potentiometer with the switch counterclockwise can cut off the power directly. 100% Brand new and high quality. PAM8403 is a small digital amplifier chip, which highlights the advantages of digital chip. Specifications: Power supply range: 5V DC Lowest output: 3W*2 Size: 3.5 x 3cm / 1.38 x 1.18inch Weight: 9g Package included: 1 x Mini Amplifier Board