Letshuoer - S12 PRO

This is my first IEM, so I didn't know what to expect at first. Initially, I couldn't really understand what was so special about it, but gradually it started growing on me. When I listened through the USB Audio Player PRO app using the Apple DAC, I finally heard what this IEM is truly capable of. The detail, clarity, and separation are really impressive.

Earlier, I was using Marshall Mode EQ earphones, which were good in their own way, but the 512 Pro feels like a big step forward. It offers a wider soundstage and a more natural, balanced sound. I didn't find anything bad to say about it- honestly, everything feels right once you get used to it.

Overall, I'm giving it a solid 5-star rating. It might take some time to fully appreciate it, but once it clicks, it's hard not to love it.

Letshuoer S12 Pro blends technical precision with an engaging, musical character. Bass has fast response, clarity is impressive and the spacious stage brings tracks to life. I could notice things that otherwise went unnoticed using IEMs with dynamic drivers. In my case, the highs shimmer without becoming sharp and the bass remains tight yet authoritative. One thing that could be better on the sets are mids, but I am nitpicking here. Many have said it before, but these are hands down the best IEMs I've ever used for metal (anything from Iron Maiden to Gojira/Deafheaven) and hard rock music - they bring the energy, grit and detail these genres deserve. The build feels premium, and the fit is secure for long sessions. Additionally, these IEMs look and feel far better in person than they do in pictures. In A/B testing this set with my Delci AE (silver nozzles), I found the S12 Pro to be better in every category save for female vocals, where the Delci wins (YMMV). Using the S12 Pro right after using the Delci AE was like having a (light) veil lifted off the music - everything was more in focus, better separated and clearer. I do not like the "shoutier", gold nozzle on Delci AE at all so I didn't compare that. However for those who care about these things, the Delci AE is more comfortable than S12 Pro for sleeping/lying down with. Make no mistake, Delci AE is a force to be reckoned with in its price category. Its just that for me, S12 Pro is far better and it comes with almost 2x the price tag.

It's a rare IEM that for me captured both the head and the heart - offering standout performance at a compelling price point. You might need to drive yours at a higher volume than your other IEMs (assuming you're upgrading from relatively cheaper ones). Oh, and yes, the accessory package is nice too - a great quality carry case, many tips (including foam) and a stellar looking cable.

I have high end wired and wireless headphones but I reach for these a lot of times. These sound too good for the price. Planner is the future!!

I was using the ZS 10 pro which i had purchased on a HPZ sale a couple of years back. During exercise i use the Sony 1000xm4.
I initially was planning to buy a pair of good open-back headphones. But due to vicinity of a main road to my apartment i decided to wait till I moved to a quieter area. I set my budget to 10-12.5 k and did a lot of research on what to get. I zeroed down on Hidiz MP145, Letshuoer - S12 PRO, FIIO-FH3 and the 7HZ - Legato. Decided to try the Letshuoer - S12 PRO as they are the cheapest planar magnetic in-ears and the Hidiz MP145 was out of stock by the time i made a decision. 7Hz - timeless was tempting but decided to stick to my budget for now.

Listening source: Apple music with High res activated on PC and Samsung Galaxy S22 Ultra.

It came with 3 pairs of foam tips and 3 pairs of silicone tips. As i sweat a lot i chose the medium sized silicone tips.
The IEMs are very light and comfortable to wear. I used them for 2 hours continuously without any pain / fatigue.

To be honest i was disappointed the first time i listened to them.
Shanti Mantra by Pandit Ravishaankar is the first track i listened to. The bass response and the thump of the drums were not as I expected. But the vocals and the instrumentals were awesome. I let the IEMs burn in for sometime. Still not very happy.
I played around with the EQ settings and I started to like them.
I paired it with my Shanling UA3. I was using the 3.5mm Unbalanced port. Sounds great. Today I used it with the 4.4mm balance port. It sounds awesome. The channel separation was good.

I tried to use it with the Astell and Kern XB10. Was not happy with both the balanced and unbalanced ports. It worked OK but the warmth was missing.

On my PC i used directly and also with the Shanling UA3.
Direct connection worked well (way better than with the XB10) but with the UA3 it was awesome. Though i am using the same UA3 on both the PC and my phone, somehow it sounds better with the PC rather than with the phone.

Out of the box i felt bass was a bit subdued. But with equalizer settings got a better bass response. The vocals are good.

I hear Pandit Ravishankar's Shanti Mantra and Sajni Re (From Laapata ladies) on Amazon music and parallely on Apple music in High res mode. The difference was not very much appreciable on my KZ but on the S12 the difference was very obvious.

Reading a bit about why i got a sub-optimal bass response i think i have to change the tips to different sizes and check out what is suiting me better.
I am learning more about the nuances of music listening with these pairs. Hope to have more experience by the time the next sale arrives.

Letshuoer - S12 PRO

Music so pure and elite. Light weight and fit so good I forget it is there for hours. S12pro is a real charm.

1. Phenomenal detail retrieval.
2. Crisp, Rich and Detailed sound.
3. Cable and swappable termination plugs provided are of good quality and gives connecting versatility.
4. Great value for money.
Works directly with laptop and smartphone, but recommend to use DAC to get best out of it.

First of all Big Love to headphone zone...for getting these iem...or in India how would I get these.....and service is top notch.......love u guyss ... S12pro sound ....next. . dimension...