Building an LM3886 Gainclone chip amp with a regulated power supply (PSU).
LM3886 power supply | diyAudio
50W Power Amplifier with LM3886 - Electronics-Lab.com
Amazon.com: NOYITO 25A Dual Power Rectifier Filter Board AC 9-17V DC ± 12-24V Power Amplifier Power Supply Rectifier Board Suitable for LM1875 TDA2030 TDA7294 LM3886 and Other Medium-Low Power Amplifier : Electronics
Ghxamp 50a Amplifier Rectifier Filter Dual Power Supply Board For Lm3886 / Tda7293 Power Amplifier Board 10000uf 50v 1pc - Home Theater Amplifiers - AliExpress