Audiobacon tested with several source.
"Does the server you connect the Phoenix to matter? I tried a custom music server with LPS, a laptop, and of course the Innuos ZENith SE Mk.2. The short answer is “hell yeah.” Even a laptop powered by only a battery won’t sound nearly as good as a dedicated server with a linear power supply. And by “as good” I mean…it’s a pretty large delta."
At the end he bought the Phoenix:
"I wasn’t expecting to purchase this USB reclocker. But the main reason I am is because of its performance with voice recordings. Too many times, a lot of HiFi gear will strip the soul of the performers while polishing everything else"
I am not questioning the usefulness of the Phoenix. I am just asking if there is an equally effective USB reclocker.