4 layers60 × 90 mm

Boards in 1 GitHub repository, designed in KiCad, that use the AS07104PO-R by PUI Audio, Inc. (100Hz~20kHz 250Hz 25mm 3W 41mm 4Ω 71mm Electromagnetic - Speakers ROHS). See how each wires it, with its parts, size, README and files; the AS07104PO-R’s symbol, footprint and pinout are on its own page.
