What's in the box:
Overall the fiio X7 quality is premium .....but the only issue is with the battery life if you are using it with high power amp(AM5) it drains out quickly.
1) It's build quality is superb but I feel it's too thick as compare to Samsung S7 Edge which also boosts 3500 mha battery and 192/24 bit DAC.
2) Touch screen and UI experience is too down as compared to today's cheap smartphones. Feel like using 2008 android music player.
Sound Quality with 192/24 bits tracks:
Setup -1 : Fiio X7 + AM5 + Azude Sine Headphones
Setup - 2 : Samsung Galaxy S7 Edge + Fiio A3 + Azude Sine Headphones
Setup-2 always performed much better compare to Setup-1.
Sound quality, depth, body, clarity is much better with Setup-2.
Battery Life :
Setup-2 gave more than 15 hours of continuous playback and Setup-1 gave around 6 hours.
Apart from the other details written below, the only one thing I would like to re-emphasize is the "sound quality".
The sound quality is AMAZING!
I have tested it with my SE846's - just one word - "Phenomenal!!!"
Having used the Fiio X1 and the Fiio x5 2nd gen which are both fabulous Daps, the X7 was a natural upgrade for me. The X7 is the best portable device I have ever listened to. Brings your music to life. You have to be careful to feed it with good recordings as it will expose any flaws with badly mastered tracks. The X7 currently come with only the IEM module AM1. Pair it with a good in-ear for best results. I use it with my RHA t20i and my Shure SE846, both of which I bought from Headphonezone. The RHA is a fun sounding earphone and a good match for the X7. However the Shure SE846 are something else. These are clearly the best sounding earphones currently available in India. The combination of X7 and the Shure SE846 is so good that I ended up ordering two pairs for the house. The SE846 and the RHA T20i both come with special tuning filters which actually work. I am however enjoying the balanced filters in both but will look at experimenting with different filters in the future. The X7 is a modular DAP with replaceable amp modules. The modules although launched globally are yet to hit indian stores. The new amp module AM2 shares its DNA with Fiios amplifier E12A which opens up the sound out of the IEM's. The current module AM1 is not for headphones though and I would not use is unamped with one. Even the Audio Technica Ath m70x sounds quite Dull out of the X7. Even the X5ii sounds better with the headphones as it has a more powerful in built amp. Add the E12A and the story is different though. The amplifier module AM2 or the AM5 (high powered module) should solve the problem of driving high impedance headphones. For my use as a portable dap for use with IEMs, the X7 are the best option for now. In case the upgrade bug bites me in future, I shall get the AM2 or the proposed AM3. Till then the X7 and the SE 846 shall be my travel companion.
Amazing design and build quality is impeccable. The package was beautifully packed and felt premium. Sound quality with the V-Moda headphones was excellent too. Mid range was crisp, bass was taut and treble was not overt.
The only bummer in this player is that it just refused to talk to my Denon on Bluetooth, though I remember asking one of the Headphone Zone folks this question specifically. This was sad and try as I could, just could get it to communicate with the Denon. Hope it will connect to my other Bluetooth speakers. Definitely worth a buy if you are an Audiophile.