A few questions : is there a true sq benefit in driving iems balanced on the AK240? On the 901 the benefit was minimal, even if driving iems balanced allowed to use the full capacity of the balanced card.
If you have 2.5 balanced cables for your iems, you need a 2.5 to 3.5 adapter to use this cable on other DAPs right?
What is the meaning of life?
It is close to impossible to quickly compare with IEMs, but I wouldn't expect a dramatic difference, especially with BA models. Funnily enough I find the DITAs, being dynamic, to show up more differences between DAPs in that way. Full-sized headphones will likely get the most benefit.
I just ordered some balanced UERM cables and am getting a 2.5mm TRRS to 3.5mm adaptor made for it too.