Key features and benefits Robust board construction for reliable current flow 1.6 mm thick doublesided sheet metal PCB 2.0A copper thickness and a full tin spraying process for improved current conduction and durability First class PCB quality designed for steady performance Strong and stable power delivery Main circuit uses SMD electrolytic capacitors totaling 4 x 470UF Ensures strong and continuous power supply for the system Low noise and clear signal precision chip resistors selected to achieve a good signaltonoise ratio across the device Clear product specification Product details: Using TPA3116 Use scenarios DIY audio projects Ideal as the power/amplification stage for bookshelf speakers, compact stereo setups, or multiroom audio projects where compact, efficient amplification is desired Multimedia and home theater Suitable as a small amplification module for computer speakers, TV soundbars, or integrated multimedia systems that require reliable power delivery and low noise Custom car or portable speaker builds Can be employed in compact automotive or portable speaker builds where solid current handling and stable performance are important Notes Design emphasizes solid power handling, low noise, and a reliable amplification path using the TPA3116 platform No changes to model or function beyond what is specified: 1.6 mm thick doublesided sheet metal PCB, 2.0A copper, tin spraying, 4 x 470UF capacitors, precision chip resistors, and TP A3116 based implementation