MiND 2 (MOON intelligent Network Device) is a fabulous way of streaming and listening to your music. The 680D is designed to deliver an outstanding high-resolution streaming experience through music services. The 680D is Roon Ready and allows the playback of all the most common file formats, including DSD, and MQA file formats via all inputs. The 680D is the prodigal little brother of the 780D, and it is the best buddy of the 600i v2. Together, they form a great pair to recreate the best sound for your favourite music.