4 layers45 × 30 mm

Boards in 1 GitHub repository, designed in KiCad, that use the STA540 by STMicroelectronics (0.02% 0℃~+70℃ 2-Channel 38Wx2@4Ω 4 Single-Ended Inputs 50dB 80mA 8V~22V Automatic mute/no-noise switch、Enable/shutdown function、ESD protection Class AB Multiwatt-15 Audio Amplifiers ROHS). See how each wires it, with its parts, size, README and files; the STA540’s symbol, footprint and pinout are on its own page.
