Note: Fook is a sometimes contributor to ohm image.

With the exception of Fook’s review, the consensus at Head-fi is that Fiio’s X7 is a game-changer. Fook painted the X7 as 'not able to drive transportable headphones', which I seriously doubt. But he took issue with items that I consider incredibly important: jumpy interface and software quality.

What surprised him was the X7's excellent Bluetooth.

Congratulations FiiO, you have convinced me that I need a feature that I previously did not.

BTW, I love Bluetooth audio: (MyST PortaDAC 1866, PS Audio Sprout).

By and large, reviews for the X7 are positive. And while I have serious concerns with how Fiio design software/hardware interfaces, I think they are doing audiophile DAPs the right way.

Relevant links:

Fiio: Fiio X7
Head-fi Fiio X7 reviews
RMAA: FiiO M3 24-bit
ohmage to the Fiio X3 — ohm image
RMAA: Fiio X3 2nd gen 16-bit & 24-bit loaded/unloaded