KiCad source and fab-ready gerbers.
Free, always. Kits when there's demand for them.
STEREO_AMP_MODULE_V1
TPA3116D2 class-D stereo · 26 dB · BTL
12 V rail · driving 20 W 4 Ω speakers
A tiny amplifier built to be measured, not just used. Test points on the switching node, the filter output and the supply rail.