Review: FiiO K9 Pro ESS – Aka K9 ProwESS from headphonesty.

Conclusion
Flexibility means being able to choose a single device and having it work with anything and everything you pair with it – be that a variety of sources, connection methods, or headphones. The average consumer doesn’t want to perform mental gymnastics to calculate the proper pairing for the best performance between myriad DACs, amps, and cans.

And therein lies the K9 Pro ESS superpower. It works very well, regardless of what you want to connect or listen to. Stop futzing around and get back to listening. That’s the point, after all.

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Author: Trav Wilson

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