I am using a Stream Box connected via an Audioquest Carbon USB cable to a Topping D90 DAC connected to an IOTAVX-SA3 Integrated Amplifier and am getting great results . I don't use the expensive Roon software, PC connection or DLNA connection. The included OEM version of the Volumio software works great for me with my Android phone or iPad. My sources are Tidal (the standard version), a wide range of web radio stations and my music library which is on a 1GB portable hard drive plugged directly into the back (or front) of the Stream Box. This hard drive contains copies of all my FLAC files copied from my computer, which I can update at any time. The Stream Box quickly indexes these updates when a drive is connected to it. It's like having a JRiver style renderer onboard the Steam Box, only with much better sound quality. The resolution of these digital files is limited only by the source of the files, and the audio quality must be better than any data source connected to a LAN or WAN. The sound from all sources is impressive, with very low noise levels. No expensive third-party power supply required. However, the list price is too high for me. I found a used model that better suits my budget.
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