2 layers234 × 58 mm

PGA2311 3
dmsd-lab/AMP8611
AMP8611 - open hardware integrated stereo power amplifier with a 2-channel input selector, PGA2311 digital volume control and LM3886 power stages
213 partsCERN-OHL-S-2.0
Boards in 1 GitHub repository, designed in KiCad, that use the LM337LM by Texas Instruments (-25℃~+125℃ 1 1.2V~37V 100mA 40V 60dB@(120Hz) Adjustable Negative Over Current Protection、Over Temperature Protection SOIC-8 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHS). See how each wires it, with its parts, size, README and files; the LM337LM’s symbol, footprint and pinout are on its own page.

dmsd-lab/AMP8611
AMP8611 - open hardware integrated stereo power amplifier with a 2-channel input selector, PGA2311 digital volume control and LM3886 power stages