Amazon.com: Vomeko Portable Headphone Amplifier Board 2-Channel Audio OP AMP Module with Single Power Supply Provides high Quality Sound for audiophiles, 47Ω Output impedance. : Electronics
Op Amp Headphone Amplifier Circuit
What is this type of op-amp circuit called and what is it good for? Boosting output power? It's a stereo headphone output in an audio module. : r/diyelectronics
Identifying components in a headphone amplifier circuit - Electrical Engineering Stack Exchange