Graphically, they measure quite closely to the PR2's(on Ian's Squig), wonder how they stack against each other
Gonna be quite tough to compare single DDs like the DUNU KIMA siblings against a planar in the PR2 on graphs. The bass can appear similar in quantity, but generally planar IEM bass might some issue with sub-bass extension and weight, due to the very fast drivers and lightning quick transients (note this does not apply to planar headphones which tend to be bigger).
I haven't tried the KIMA classic (new version), but the original KIMA was quite underwhelming in technicalities. It was a bit too safe, Harmanish tuned.
To note, HBB love polite treble. So bright iem or treble centric iem won't be appealing to him.
Need to wait for other reviewer, Timmy(Gizaudio) love his treble, it would be interesting to see what he says about it.
Tough per HBB measurement, it does have more energy in 4k~8k than Stellaris
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Damn. The Stellaris is already brighter than the stars, no exaggeration.
Now this Raptgo Bridge is even more boosted in the lower treble (and more bass lite) than the Stellaris? Graphs don't tell the full story, but they do give a good gauge of tonality and this one might be a banshee shoutfest.