xDuoo XD-05 32bit/384KHz DSD DAC Portable Audio Headphone Amplifier (Black) Effectively improves the sound quality of your audio equipment. With HD OLED display, real-time display of product information. PC USB decoding,USB receiver chip using the XMOS latest 8 core chip , working in the asynchronous mode Supports up to PCM 32bit/384khz signal, supports Native DSD Decoding , supports up to DSD256. Android devices USB decoding ,Supports up to 24bit/192khz PCM signal ; supports up to DSD128 signal(OTG USB Cable Required ) Optical signal decoding; Coaxial signal decoding. Both Supports up to 24bit/192khz PCM signal