Hi JC,

You are very right !
Not all is 'perfect' and YES :
The headphone amp is very noisy
The E-piano sounds (almost) all have some distortion, even when playing softly.
The mic-amp is noisy too

The items however are only tiny 'problems' and show up while playing at home.
On stage the X1 is the best one I've had/heard ever !!

I'm a proud owner since > 1.5 year and still am impressed.

Roel