Key benefits Low noise signal path: selection of chip resistors helps achieve a low signaltonoise ratio across the entire system, improving overall sound clarity. Stable, strong power delivery: main circuit uses SMD electrolytic capacitors totaling 4 x 470 uF to provide solid and continuous power for reliable operation. Trusted amplification: built around the TPA3116 audio amplifier IC for dependable performance. Durable, quality construction: PCB is 1.6 mm thick, doublesided, with 2.0 A copper and a tin sprayed finish to promote good current flow and longterm reliability. Professional build for DIY audio: design prioritizes performance and reliability, suitable for a range of audio projects. Product details Amplifier IC: TPA3116 Capacitors: SMD electrolytic capacitors totaling 4 x 470 uF for main circuit power and stability PCB and manufacturing quality Board: 1.6 mm thick, doublesided sheet metal construction Copper: 2.0 A copper thickness Finish: tin spraying to enhance current flow Quality: firstclass PCB construction and finish Recommended use scenarios Build a compact stereo amplifier for a bookshelf or small home audio system, using the TPA3116 module for clear, reliable amplification. Integrate into a desktop audio setup to drive small speakers from a computer, media player, or DAC with stable performance. Create a compact PA or practice room amplifier for small venues or rehearsal spaces, where reliable power delivery and low noise are important.