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Whats soundstage like?
The stage is very dense and tight, if there is not much going on in the music, the thing can sound clear, but everything breaks down when the music becomes complex, bass and sub-bass are there, but rather muddy and below average compared to other devices in the price range - the 7Hz x Crinacle Zero:2 or KZ Caster are more relaxed and sound more balanced and less stressful - but that is just my subjective impression.
 
Whats soundstage like?
soundstage on headphones and expecially on iem is a totally subjective perception related to frequency response and interaction with your specific ear canals and hrtf, this is the only answer i can provide.

The stage is very dense and tight, if there is not much going on in the music, the thing can sound clear, but everything breaks down when the music becomes complex, bass and sub-bass are there, but rather muddy and below average compared to other devices in the price range - the 7Hz x Crinacle Zero:2 or KZ Caster are more relaxed and sound more balanced and less stressful - but that is just my subjective impression.
Given you previous comment too, it seems Sonus doesn't comply well with your ear canals, I don't feel any congestion in the "stage", no more than all other iems I own, let alone bass muddiness in complex tracks, but, as you say, all subjective impressions.
 
soundstage on headphones and expecially on iem is a totally subjective perception related to frequency response and interaction with your specific ear canals and hrtf, this is the only answer i can provide.


Given you previous comment too, it seems Sonus doesn't comply well with your ear canals, I don't feel any congestion in the "stage", no more than all other iems I own, let alone bass muddiness in complex tracks, but, as you say, all subjective impressions.
well, I can compare it with other IEMs in my collection - the MP145 have a very wide open soundstage, the Sonos is as big as a broom closet in comparison, they don't seem to suit me
 
The stage is very dense and tight, if there is not much going on in the music, the thing can sound clear, but everything breaks down when the music becomes complex, bass and sub-bass are there, but rather muddy and below average compared to other devices in the price range - the 7Hz x Crinacle Zero:2 or KZ Caster are more relaxed and sound more balanced and less stressful - but that is just my subjective impression.

For me, Crinacle Zero:2 absolutely chokes when it tries to reproduce complex music like this:


It sounds muddy, congested, compressed...

In the MP145 it is delightful to hear the brilliant arrangement of this song.

All my IEMs with better soundstage are made of metal and don't have balanced armatures nor microplanars, they are just planars or have one or more dynamic drivers. I wonder if what we perceive as soundstage is some kind of reflection of the drivers on the metal shells and that can't be replicated by resin nor by BAs and MPs enclosed in their tiny boxes that end in plastic tubes.
 
For me, Crinacle Zero:2 absolutely chokes when it tries to reproduce complex music like this:
All my IEMs with better soundstage are made of metal and don't have balanced armatures nor microplanars, they are just planars or have one or more dynamic drivers. I wonder if what we perceive as soundstage is some kind of reflection of the drivers on the metal shells and that can't be replicated by resin nor by BAs and MPs enclosed in their tiny boxes that end in plastic tubes.
yes mp145 sounds more holographic, the instruments are more three-dimensional, the Zero2 also separates the instruments but they appear flat and get lost in the sound mush - MP145 is perfect
 
Bought them out of curiosity as I looked for that Harmanish tuning but with tad less energy around 3-5khz.
I like them. The built quality is slightly better than Zero2 but comfort wise is much better.
With Zero2 I have some minor issues with seal.

Sound wise it's close to my personal perfect tonality.
 
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yes mp145 sounds more holographic, the instruments are more three-dimensional, the Zero2 also separates the instruments but they appear flat and get lost in the sound mush - MP145 is perfect
I had similar feelings with Zero Red
 
For me too, the IE200s are among my favorite IEMs, but I think that Rose Technic Star City 5 Pro are the version that is a little less "fun" at first glance but more balanced and technical for €10 more.
Great imaging, never gets muddy even on the busiest tracks, good soundstage... I returned the Sonus.
 
For me, Crinacle Zero:2 absolutely chokes when it tries to reproduce complex music like this:


It sounds muddy, congested, compressed...

In the MP145 it is delightful to hear the brilliant arrangement of this song.

All my IEMs with better soundstage are made of metal and don't have balanced armatures nor microplanars, they are just planars or have one or more dynamic drivers. I wonder if what we perceive as soundstage is some kind of reflection of the drivers on the metal shells and that can't be replicated by resin nor by BAs and MPs enclosed in their tiny boxes that end in plastic tubes.
Try the Sennheiser IE200
In terms of soundstage they are not better than MP145 but they will not disappoint you.
Final A3000 has an insane soundstage, yet they are made of ABS
 
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