Fosi Audio DS1 Headphone Amps Tiny Amplifier USB DAC High Resolution Supports 32bit/768kHz and DSD512 Headphone Outputs 3.5mm/4.4mm for Smartphones/Laptop/PC/Players
Fosi Audio T20X Bluetooth 5.0 Tube Amplifier Headphone Amp Stereo Audio Receiver 2 Channel Digital Mini Hi-Fi Integrated Power Amp for Passive Speakers
