PAM8403 5V Mini Power Digital Amplifier Board for Battery / Portable Digital Products - Blue
Model PAM8403 Quantity 1 Color Blue Material PCB Specification Working voltage: 2.5~5.5V; Max output: 3W x 2 (5V 4ohm); Efficiency can be more than 90%; Supports USB power supply Features Digital amplifier board Application DIY English Manual/Spec No Packing List 1 x Amplifier board