Stars Picker Audio Library 摘星知音 - ⭐🎧 Audio-GD Precision 3 (2020) | budget power amp & headphone amp, bridge (mono blocks) & bi-amp mode available Just like the way it was named,
Audio Gd Precision 3 stereo power amp - have issue
Sold: SOLD: Audio GD Precision 3 (P3) Power Amplifier | Headphone Reviews and Discussion - Head-Fi.org
Power on a budget: Audio-gd Precision 1 integrated/headphone amplifier | Darko.Audio