FiiO K9 Pro ESS Desktop DAC & Amplifier Review - Great Performance!
For most others, the K9 Pro ESS is a reference book in getting the basics right and going a step or two beyond. There are plenty of input and output options to meet most needs, and I really have no complaints on the sound quality.
The internal power supply is also appreciated, especially as the partitioned PCB design gets around any signal distortion. While it's not perfect and there remain some things I'd change, the overall pros lists heavily outweighs the cons. I can see why the K9 Pro ESS received so many glowing reviews, and it now gets to add another one to its tally!
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Author: VSG; From: techpowerup.com
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