Very good product at a fair price. At first, I was reluctant to pay for the Virtuoso plan in order to get Tidal Connect, but now I'm glad I did. My RPi4+external USB DAC combo sounds better than any other streaming device I have at home. After a few niggles at the beginning of use, now everything works fine. My family appreciates Bluetooth streaming as well, which also sounds well (for a lossy format, of course). Finally, I would like to point out that I am really satisfied with the support from Volumio team: I got a logical and helpful answer to any question I asked, no matter how trivial the question might have been. Keep up the good work!