FiiO K7/K7 BT Balanced HiFi Desktop DAC Headphone Amplifier AK4493S*2 XMOS XU208 PCM384kHz DSD256 USB/Optical/Coaxial/RCA Input

FiiO K7/K7 BT Balanced HiFi Desktop DAC Headphone Amplifier AK4493S*2 XMOS XU208 PCM384kHz DSD256 USB/Optical/Coaxial/RCA Input

AliExpress