This is an advance and smart technology built audio amplifier board with bass boosting capabilities. It is the branded and the best board in this price range. It is mostly used in 2.1/4.1 home theater sound systems. You can also use it in your DIY projects. This board comes with 4 inbuilt transistors. It has an aluminum heatsink on its back for longer duration work. The 3 potentiometer controller can help in adjusting the volume, bass, and treble. This board also features energy-saving technology and short circuit protection. The board is powerful enough to drive 10 inches or 12 inches, speakers easily.