I've used it with Raspberry Pi and a PC to output high resolution audio files to my DAC and receiver. Plugs into any USB port and outputs to coax, toslink or I2S Uses an Xmos chip set and supports high resolution formats as follows : I2S port: PCM 16bit/32bit 44.1kHz - 384kHz DSD 1bit 2.8224Mhz - 5.6448Mhz Optical & Coaxial: PCM 16bit/24bit 44.1kHz - 192kHz Plug and play in most cases but drivers also included. Gets power from USB so no need for an external power supply . Great for transferring high resolution format files or streaming In Saanich . X posted