Guys... holy hell.
GAME HAS CHANGED.
No more external amps or DACs. No longer any such thing as non-portable headphones.
The limits of this phone's capability are only existent dependent on your source material and headphone quality.
Running just the hi-fi setting on Tidal renders truly incredible sound... I can't imagine what will happen when the app adds MQA functionality for phones.
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I won't get into too much detail right now because I've only had it for 9 hours, and most of that time was spent setting it up to my preferences... but I'll give a very brief impression:
As has been well documented with this DAC chip, it provides a natural- albeit somewhat cold sound. This is easily altered in the settings for the DAC, but with everything flat, and using relatively neutral headphones- that's what I've gotten; an incredibly clean and natural sound. I think the most important factor for the joy that comes from this phone is headphone choice... if you like neutral sound, or basshead sound, or sparkle- whatever the case may be- this phone will deliver the purest signal possible and let the headphones do their thing.
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I'm no expert, and I've certainly never spent much time with high-end headphones or portable players, but I grew up around live music and I know what things should sound like... with that said, I'm completely blown away thus far.
Tomorrow I will be removing the mojos and iCans from my Amazon list, because I have no use for them. And then I'm going to give away my Dragonfly because I don't need it either... no more different equipment to acquire certain sound... from now on it will be phone and headphones- only the headphones will vary for what I want to hear that day.
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I LOVE THIS PHONE