Mar 1, 2024 at 10:19 AM Post #95,866 of 150,839
The Letshuoer Cadenza 4 is a 3 BA + 1 DD hybrid, comprised of 2 Knowles BA and 1 Sonion BA, plus a 10 mm beryllium DD.

It has Letshuoer's classic Fisher Price resinish finish that is very comfortable and light.

Cadenza 4.jpeg


Comes well accessorized with a modular cable, hard round case and an array of eartips.

Cadenza 4 2.jpeg


This IEM will be eargasmic to measurebators on graphs, but on actual listening, it is also really superb tonally. Instead of the usual Harman sidegrade spam we see each week, the Cadenza 4 sports a warm neutral sub-bass boosted tonality, which is very smooth and pleasant.

Letshuoer Cadenza 4.jpg

Bass is tight and fast, with good texturing, focused at the sub-bass (ie no mid-bass bleed). The midrange is not depressed with good transparency and euphonia. This IEM is suitable for sibilant-fearing or pinna gain-sensitive folk.

Soundstage is above average with good imaging and layering. It isn't the most micro-detailed focused in view of not being overly steroid boosted in the treble, but resolution is still very presentable for a warmish tonality. Note edges are a tinge blunted to not cause fatigue.

I think this IEM is tuned refreshingly (in a good way) compared to the hackneyed sidegrade Harman fare. Perhaps only trebleheads will need to look elsewhere, but it's very promising from out-of-the-box impressions.

Will do some more testing and report back with A/B comparisons against other hybrids.
Price on this one? Interesting indeed.
 
Mar 1, 2024 at 10:43 AM Post #95,867 of 150,839
You don't have markings for polarities, just L or R...as far as I know.
You can't miss that....unless you have never seen IEMs before...
just like those youngsters that have never heard about cassette Player or Walkman.

Ok...perhaps you are right, and I am wrong (which would be even weirder) :)
The OP was asking about the TSMR X cable since it didn't have L and R markings. The cable has ear guides so it's easy to tell how to correctly connect it to the IEMs since you just have to make sure the 2pin groove is on the faceplate side. They just weren't aware of the purpose of the grooves.

In a situation where the 2pin cable doesn't have ear guides and you didn't know about the purpose of the grooves, you can easily install the right cable to the right IEM, but upside down. This is where you get the weirdness.
 
Mar 1, 2024 at 10:52 AM Post #95,868 of 150,839
1709305567839.png
TSMR-FEAT 2-2 Stands for 2XBA + 2DD. And surprisingly no switches. This is the very first Tansio Mirai IEM with no switches.

I am evaluating these at the moment as I just got them. Will post a bit about them soon but for now. These are like a younger brother to the TSMR-X which is a good thing.

Will be interesting to see how they turn out. So far, I am loving the new sound direction for Tansio Mirai.
What is an XBA, or is that just saying there are 2
 
Mar 1, 2024 at 10:58 AM Post #95,869 of 150,839
It looks like a dual BA that does the mids and treble and a coaxial bass. Dual push pull bass that was used in the TSMR-X on this one. Dual sound channels or two bores out of the nozzles. More simple in design. The bass this time is set but it is full bored bass just like the TSMR-X on the reference tuning. Its not quite at the level of the TSMR-X SQ wise but I can clearly tell the DNA on this one and its sound direction is going for. I just got them so I am burning them in to see how it sounds after some burn in. If the TSMR-X is anything to go by these are going to be a superb sounding hybrid.
 
Mar 1, 2024 at 12:04 PM Post #95,870 of 150,839
1709305567839.png
TSMR-FEAT 2-2 Stands for 2XBA + 2DD. And surprisingly no switches. This is the very first Tansio Mirai IEM with no switches.

I am evaluating these at the moment as I just got them. Will post a bit about them soon but for now. These are like a younger brother to the TSMR-X which is a good thing.

Will be interesting to see how they turn out. So far, I am loving the new sound direction for Tansio Mirai.
They look great and I hope they sound great too but "Feat" is an interesting name lol
 
Mar 1, 2024 at 12:09 PM Post #95,871 of 150,839
Well I can tell these will please Sub bass fans for certain. WOW! they have some full bored low digging bass. Will be interesting to find out what dynamic drivers they are using on this one. It is bouncy, bold and bowel shaking. Lol. Thus far the bass end sounds more like the 1 bass switch level vs the stock 2 switch on the TSMR-X. It has at least 10dbs of coaxial rumbly bass is my point.

You know I do believe these were made for bassheads. But with a nice contrast for clear crisp mids and treble. Its definitely a hybrid sound.

I think this one just throws out the whole notion of coherence out the door for the sake of having some subs in your sound profile. Thats exactly what these sound like. Amazing. They sound like I just added two 12 inch subs in my small Honda with a power amp to go with it.
 
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Mar 1, 2024 at 12:14 PM Post #95,872 of 150,839
Mar 1, 2024 at 12:59 PM Post #95,873 of 150,839
Well I can tell these will please Sub bass fans for certain. WOW! they have some full bored low digging bass. Will be interesting to find out what dynamic drivers they are using on this one. It is bouncy, bold and bowel shaking. Lol. Thus far the bass end sounds more like the 1 bass switch level vs the stock 2 switch on the TSMR-X. It has at least 10dbs of coaxial rumbly bass is my point.

You know I do believe these were made for bassheads. But with a nice contrast for clear crisp mids and treble. Its definitely a hybrid sound.

I think this one just throws out the whole notion of coherence out the door for the sake of having some subs in your sound profile. Thats exactly what these sound like. Amazing. They sound like I just added two 12 inch subs in my small Honda with a power amp to go with it.
Will they replace Senna Pods. If so they will save people fortunes.
 
Mar 1, 2024 at 1:34 PM Post #95,874 of 150,839
Will they replace Senna Pods. If so they will save people fortunes.
I was like Senna pods?

"Senna is the fruit (pod) or leaf of the plant Senna alexandrina. It is approved in the US as a laxative for short-term treatment of constipation."

Lol. Guys that own the TSMR-X. These are like the 1 switch on at all times.
 
Mar 1, 2024 at 3:53 PM Post #95,876 of 150,839
The Letshuoer Cadenza 4 is a 3 BA + 1 DD hybrid, comprised of 2 Knowles BA and 1 Sonion BA, plus a 10 mm beryllium DD.

It has Letshuoer's classic Fisher Price resinish finish that is very comfortable and light.

Cadenza 4.jpeg


Comes well accessorized with a modular cable, hard round case and an array of eartips.

Cadenza 4 2.jpeg


This IEM will be eargasmic to measurebators on graphs, but on actual listening, it is also really superb tonally. Instead of the usual Harman sidegrade spam we see each week, the Cadenza 4 sports a warm neutral sub-bass boosted tonality, which is very smooth and pleasant.

Letshuoer Cadenza 4.jpg

Bass is tight and fast, with good texturing, focused at the sub-bass (ie no mid-bass bleed). The midrange is not depressed with good transparency and euphonia. This IEM is suitable for sibilant-fearing or pinna gain-sensitive folk.

Soundstage is above average with good imaging and layering. It isn't the most micro-detailed focused in view of not being overly steroid boosted in the treble, but resolution is still very presentable for a warmish tonality. Note edges are a tinge blunted to not cause fatigue.

I think this IEM is tuned refreshingly (in a good way) compared to the hackneyed sidegrade Harman fare. Perhaps only trebleheads will need to look elsewhere, but it's very promising from out-of-the-box impressions.

Will do some more testing and report back with A/B comparisons against other hybrids.

The graph reminds me of a gentler Symphonium Helios. That dip at 250Hz before rising to midrange makes we wonder whether it would make cellos thin. On the plus side, the bass should be more cleanly separate from midrange with this tuning.

That drop after 8kHz though :dt880smile:
 
Mar 1, 2024 at 3:55 PM Post #95,877 of 150,839
1709305567839.png
TSMR-FEAT 2-2 Stands for 2XBA + 2DD. And surprisingly no switches. This is the very first Tansio Mirai IEM with no switches.

I am evaluating these at the moment as I just got them. Will post a bit about them soon but for now. These are like a younger brother to the TSMR-X which is a good thing.

Will be interesting to see how they turn out. So far, I am loving the new sound direction for Tansio Mirai.
TSMR Feat 2-2 vs ThieAudio Hype2 🤔
 
Mar 1, 2024 at 6:29 PM Post #95,878 of 150,839
For the recent "discussions" on dynamics and the stage:

I am really surpised (I guess I should not be...) that dynamics is still puzzling to some "reviewers".
The dynamic range is very well defined in scientific instrumentation and in music.
Dynanics will boil to the ability of the transducers to reproduce both quiet and loud music - from ppp to fff in musical terms, perhaps more for some extreme composers.
The dynamics for transducers/IEMs needs to be also performed well in time (time domain), so the ability of sources to deliver proper current modulation is very important for the realization of dynamics.

As for the stage - I am also quite surprised that binaural recordings are not brought for the discussion by "stage affictionados," - that could help them understand that the properties of recordings matter more than transducers.
I was really scared when I first heard a binaural recording of the knock happened to becoming from the direction of the dark window - really scary. Then almost every transducer that I tested worked well in this recording.
Then in my limited experience, I found that multidriver IEMs in a large shell that can implement phase delays easier, ike KZ ZAT or TRI I3, are delivering most spacial experience to my ears.

P. S. Typo editing (trying to rely on my brain more than spellcheckers and AI at the moment).
 
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Mar 1, 2024 at 7:30 PM Post #95,879 of 150,839
Mar 1, 2024 at 8:12 PM Post #95,880 of 150,839
But I have to say this, though. It has saved me money and stopped impulse buying. So maybe the Chinese are helping me out for all the opium we dumped on em couple of centuries ago. (Just kidding, any Chinese reading this ... Last time I tried this with a Chinese it didn't go too well ..so picture emojis etc here... It was the British and Portugese who dumped, blame them*!)

* https://www.britannica.com/topic/opium-trade
Ironic you mention the Britich and Portugese: Watching Shogun now....
 

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