If I have to choose/finalize on DX90 or the X5, which one you guys wld recommend and why? Im looking on the UI,ease of use,handling different IEMs &or headphones (full size),actual battery backup,fw fronts, besides their sound......any user who have both of them shed some light here......Im currently leaning towards discrete sabre chips,2TB,touch screen,replaceable s3 battery.....
I have them both for a while now...
Straight out of both players HO I absolutely prefer the DX90 for SQ. Lurker0 really nailed it with his 2.1.5 L2 FW.
Advantages of DX90 are the touchscreen and the replacable battery (both mentioned by yourself, so you did your homework
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When I use the X5 it's always with an extra amp (Pico Power or E12).
Advantages of the X5 are 2x micro sd slot and better (I think amost double) batterylife.
DX90 has a bit easier UI imo because of the touchscreen, but on the other hand I prefer the design and build quality of the X5.
It's very hard to choose one of them and that's why I have and keep them both. But I've used the X5 stack more than the DX90 over the last few months...
For hard to drive headphones I would always recommend an extra (good) amp. When I use my LCD2, I always have the Pico Power on one of the players LO, but my Grado PS500 is easily driven (and sounds pretty good that way) by both players straight out of the HO.
For iems: when I use my RTi1, it's a bit bass shy. So, the E12's bass boost unleashes the beast that's inside (unfortunatelly also the hiss and that's why I'm now on the fence for a E12A or a Cayin C5). My V6S profits from the clean (very detailled) output and wide soundstage of the Pico Power. I guess it's all about synergy in the end...
Good luck with making your choice, imo you can't go wrong with either of them!