Vision Ears PHöNIX Universal IEM (Open Box) - Discontinued 6.35mm female Equipped with an independent DAC

Equipped with an independent DAC and operational amplifier

maybe my experience is of some help - the Diana V2 and Phi are pretty much spot on what I've been looking for

Headphone Out

Frequency response range 15Hz-20000Hz

instead of voltage

Vision Ears PHöNIX Universal IEM (Open Box) - Discontinued 6.35mm female Equipped with an independent DACRise to Perfection Listening to the PHNIX is an unparalleled experience of stately power and elegant resolution. Tight and bottomless lows are giving a solid ground to gently natural mids, which are seamlessly transitioning to phenomenal rich highs. Technical Idea The legendary ERLKNIG left the stage a while ago. Many praised the outstanding sound and imaging of this exceptional product. We gained massively positive feedback, nevertheless the weight