Features:
Circuit board with FR4-A quality PCB processing， and after tinning process， quality and beautiful.
With a volume control knob， easy to adjust the volume.
Description:
Product name: LM386 amplifier board
Size: 37 x 41 mm
Operating voltage: DC 3V to 12V
Driver speaker: 0.5W - 10W
Package included:
10 x LM386 amplifier board
Circuit diagram:
