Rudi0504 - iphone 6S best sound quality. imho.

Iphone 6Plus best SQ.

Source :
Iphone 6Plus

Dac :
Cypher Lab Class Solo Original mod as USB / SPDIF

Dac / Amp :
Chord MoJo

Iem :
Flare Audio R2 Pro

Cable :
Coax DIY

Music Player :
Relisten Music Player
Kaisertone
NE Player

Connection :
Iphone 6Plus + Class Solo Original > Coax Out > Coax In MoJo

Sound Quality :
The Mojo strong point is its Coax in.
With this set up my iphone 6 Plus sounds fuller and has better separation.

-Rudi0504. For headpie.

*Also posted elsewhere.