5pcs Mini PAM8403 DC 5V 2 Channel USB Digital Power Amplifier Board Module 2 * 3W Volume Control with Potentionmeter

✔PAM8403 small mini 5 v digital power amplifier board (can be USB powered) (XY) board USES PAM8403 digital power amplifier chip, circuit is simple, reliable work. ✔Working voltage of 2.5 V to 2.5 V, 3 wx2 maximum output, efficiency can achieve 90% above, can use computer USB 5 V power supply. ✔The working voltage power supply positive and negative don't wrong, otherwise the chip has the potential to damage. ✔Small size, and is equipped with switch, potentiometer, can follow one's inclinations of the volume, and control the power switch to use and install is very flexible and convenient. ✔It is very suitable for battery and portable electronic products.

Package Dimensions: 4.7 x 2.1 x 0.8 inches; 1.59 ounces Item model number: WJ-00527 Date First Available: June 18, 2019 Manufacturer: R REIFENG ASIN: B07TB17NLM