Tube amplification is a rather divisive topic.

For some, it’s the holy grail and a step closer to the “analogue” feel. For others, it’s just gooey warmth that robs instruments of detail and also introduces coloration by adding distortion products.

Cayin, in their usual out-of-the-box manner, decided to give listeners the best of both worlds. This is not the first DAP with tubes from them, that would be the flagship Cayin N8.
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Continue here:
https://www.audioreviews.org/cayin-n3pro-review-kmm/