a digital / analog of good quality, of French design more .... I found the dynamics in the dematerialized music I listen to, the many inputs and outputs are significant, the little extra that was not in the different descriptions: USB type B socket for connecting it to a PC that DAC automatically recognizes it as a codec, you end up with a high quality sound card in computer output .... Finally, thank you to Amazon for its efficiency and professionalism in the processing and delivery of orders.