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 DA2120B Bluetooth Amplifier Stereo Audio Wireless Amp Hifi Class D Power Amp 100W x2 Passive Speakers Remote Control (Refurbished Unit- only US)