Super Smart LM386 Amplifier Kit, FR4‑A PCB, 3‑12V, AMP Amplifier 37mmx41mm Board Size, 0.5W-10W Speaker

FR4‑A PCB: The circuit board is made of FR4‑A good quality PCB, and is tin plated, stable and beautiful EASY TO WELD AND DEBUG: Contains few components, easy to weld and debug, board size is 37mmx41mm, small size and easy to install SIMPLE WIRING: LM386 amplifier kit come with simple wiring, and wide power supply range from 3V to 12V Item Type: LM386 Amplifier Kit Board Size: Approx. 37 x 41mm Celsius 1.46 x 1.61in Working Voltage: 3.12V Drive Speaker: 1 x 0.5W-10W speaker