Boards in 2 GitHub repositories, designed in KiCad, that use the OSTTC040162 by OST. See how each wires it, with its parts, size, README and files; the OSTTC040162’s symbol, footprint and pinout are on its own page.
trieck/audio-amp
KiCad Audio Amplifier
gkiefer/home2l
The Home2Ls - Smart Tools for a Private Home