Ok, open heart resin is here.
impression:
Muddy, bass focused, but bass is loose and boomy. Subpar resolution. Make and build is good, I have another full resin IEM that’s Moondrop blessing2, and they are similar in size. Great fit/sound isolatifor me YMMV.
Non fatiguing lo-fi sound maybe good for healing music? Will burn-in and see if any aspect changes. Or maybe entry-level basshead IEM who hates any sort of trebles.
Also, it works as a good hearing degrading gadget to lower your hearing standards, after getting used to this, most of IEMs would sound pretty hi-res.
So far I could only justify the existence of open heart resin only from non-audio perspective.
For the same price, KZ DQ6 is leagues above, and even $7 USD KZ EDX is superior in terms of audio quality.
[Edit1] after 30mintues of out of box, the resolution gets better, the low mid thru upper bass range are something, deeper tone of acoustics guitar sounds unique, as well as baritones, cello, tuba, etc. I can now somehow justify Open Heart Resin as entry-level basshead IEM with great fit and non-fatiguing trebles or any peaks at all(well basically treble doesn’t exist over 10k in this case)
[Edit2] default cable very soft and comfortable, well suited for long term listening. Probably this is the one for laid-back sunday afternoon IEM of playing BGMs for reading. It doesn’t interrupt the reader in terms of, the fit(may vary), cable touch, and micro dynamics of the songs, only macro aspect will be delivered, in a warm way.
I will most likely will gift this to my parent, who is treble sensitive.