If you can stretch your budget a bit more I'd like to suggest a combination of: Bluesound Node 2i streamer ($500) + Chord Qutest DAC ($1,895). Caveat: you'll have 2 separate boxes but the bright side is that they're both quite small so minimal footprint. The Bluesound BluOS app is quite snappy and easy to navigate and the Chord Qutest is the bees knees. I think you would have to spend a whole lot more to best the performance of this combination however admittedly aesthetically speaking its not the best. Also, I realize the price of the combination is close to $2500 which can get you a one-box solution as the Auralic Altair G1 but I doubt that its internal DAC will sound better than the Qutest (granted I have not heard the Altair G1 but have read glowing reviews).
If your budget is fixed at $1500 I have a friend that is very happy with the Cambridge Audio CXN 2 but I haven't personally heard it yet (though I trust his ears) and as mentioned above the app leaves much to be desired.
If your budget is fixed at $1500 I have a friend that is very happy with the Cambridge Audio CXN 2 but I haven't personally heard it yet (though I trust his ears) and as mentioned above the app leaves much to be desired.