HiLetgo 2pcs TDA2822M DC 1812V 20 Channel Stereo Amplifier Mini AUX Audio Amplifier Board Module AMP for Arduino

1. Chip: TDA2822M; Supply voltage: DC 1.8-12V, 2.Output Power: 0.1W-5W ;4-32 Ohms, 3.Dimensions: 52 x 31 x 23mm (L*W*H)/ 2.05 x 1.22 x 0.9inch, 4.Input Interface: 3.5mm Audio input, 5.Adjust form: volume adjustment