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The LetShuoer S12 comes with a decent detachable cable that is made of 128 stands of Silver Plated Monocrystalline Copper wire. The LetShuoer S12 shows a fairly expansive soundstage atmosphere with adequate sense of airiness, which is suitable for fairly precise positioning and separation of instruments and vocals. The soundstage has an above average wideness, while the depth of the stage is on a moderate level.
Letshuoer S12 - [Official] IEMs / Other - HifiGuides Forums Letshuoer S12 - [Official] IEMs / Other - HifiGuides Forums
The Midrange of both IEM’s sound pretty transparent and lively, whatever you listen to vocals or to instruments. The midrange of the 7HZ Timeless sound a bit warmer in tonality compared to the LetShuoer S12 to my ears, while the difference of coloration is quite minimal. Vocals are a bit more forward and intimate when I do listen to the S12, while the Timeless sounds slightly recessed in direct comparison. Treble - it's just ok, not much to say here. Might be too bright for some, it wasn't the case for me, however the cymbals might hurt once in a while. This range is nicely detailed and sparkly, timbre is probably a bit too metalic. You can easily eq high trebles down if that's too much for you. Shuoer S12 is a very energetic IEM with fun V-shaped tuning, that has a lot of balance issues. It is an exceptionally engaging and detailed pair of earphones if you're mostly going to listen to electronic instruments, however it is really garbage in acoustic music, so consider your needs carefully, versatility isn't a strong side of the S12.The subbass region of the 7HZ Timeless shows a bit more depth and rumble, while the control and level of decay in this area is pretty similar. The midbass region is the area where the LetShuoer S12 is more pronounced and impactful. The speed and authority is decent with both IEM’s, while the 7HZ Timeless seems so be a bit reveal a bit more micro detail. Also included in the case is an assortment of accessories, including tips, cable, and case. The cable is copper, coated in high-purity silver. Like the Shuoer Tape Pro, the plastic wrap lends it added stiffness and, if you have smaller ears like I do, you’ll want to use the chin cinch to ensure it doesn’t tug the buds out of place. It connects to the earpieces using dual 0.78mm pins so is easily replaceable if you’d prefer something softer. The LetShuoer S12 is a pretty small and lightweight In-Ear Monitor with a pretty comfortable shape that fits perfectly to my average sized ear chonca. When it comes to the passive noise isolation, I can say that it is on a sufficient level that is suitable for the use in relative noise environments such like a bus or a train. The upper treble area is shows an audible elevation around the 7 – 8 kHz region that gives the overall presentation a good sense of airiness and sparkle. The LetShuoer S12 offers in general a decent level of resolution and upper treble extension, when I do listen to instruments like snare drums or cymbals. On the front (faceplate) is a relative clean surface that has a slightly protrudes area, which is part of the 2-Pin connector interface.
S12 Pro Review - Major HiFi Letshuoer S12 Pro Review - Major HiFi
The LetShuoer S12 has a pretty minimalistic industrial monitor design with a smooth surface that is made from durable & lightweight 5-Axis CNC Processed Aluminium Alloy material. The LetShuoer S12 is quite efficient for an In-Ear Monitor that is equipped with a pretty large 14.8mm dia. Planar Magnetic Driver, thanks to its impedance of 16Ω and a sensitivity of 102dB/mW. Sources with a relative weak amplification such like USB DAC Dongles (Hidizs S3 Pro), Tablet’s (iPad Air 2) or DAP’s (FiiO M3K) do work just fine. shuoer-S12-14-8mm-Planar-Magnetic-Driver-IEM-Hi-Fi-Earphones-with-Silver-Plated-Monocrystalline-Copper.jpg_Q90.jpg_.webp 800×800 66 KB The selection of tips makes it easy to find a comfortable fit. It comes with three sets of silicone ear tips (small, medium, large) in softer and firmer silicone. There are also three pairs of foam ear tips for better isolation.Instruments on the other hand, such like a cross drum, trumpet or bass guitar are reproduced with a good amount of intensity and with an efficient level of detail and speed, which fulfils my expectation from a product at this price level. Mid - that's where most of the issues come from; mids are very much recessed and thin sounding, without a proper body, synthetic. Male vocals are usually too quiet and dark. I also spotted a place in Mozart's Violin Concerto no. 4 where the soloist plays arpeggios from the G string up to the E string - the dynamics in the recording and in the score remain the same throughout the passage, yet S12 makes them variable (G string being the weakest and darkest, E being overly bright and louder). I'm a violinist and believe me, this 'Leduc' Guarneri is PERFECTLY balanced. It's such a shame how much the S12 interferes with the perfomer's intentions.
S12 IEM Review » MOONSTAR Reviews LetShuoer S12 IEM Review » MOONSTAR Reviews
The lower midrange of the LetShuoer S12 shows a good sense of depth and body, which is an advantage for male voices. Male vocals such like Dave Gahan, Sting or Elton John do sound pretty intimate and emotional, while the level of clarity is decent. Instruments like violas, acoustic guitars or bassoons are reproduced in a pretty clean and detailed manner. My review unit came with the 3.5mm Single Ended plug that features a straight profiled metal housing, which has the LetShuoer branding on the top. The plug sports a semi-transparent plastic strain relief for extra durability. My only complaint for the cable could be the stiffness and the weight, which is a bit high compared to the monitors that are pretty lightweight. The lower midrange of both IEM’s shows a good sense of depth and body when I do listen to male voices or violas and guitars. The upper midrange on the other hand is a bit more highlighted, extended and detailed when I do listen to the LetShuoer S12, while the 7HZ Timeless sounds a tad smoother and controlled in this area, which was fairly audible when I do listen to female voices or to violins, flues or pianos. LetShuoer (aka Shuoer) is a Chinese company located in Dongguan, Guangdong, China and is specialized in design and development of portable audio equipment’s such like Universal & Custom In-Ear Monitors and USB DAC/Amplifier (DT-02). When it comes to the treble range, I can say that the LetShuoer S12 is the Planar Driver IEM with the more energetic signature. Both the upper and the lower treble regions of the S12 are shown with slightly higher sense of presence and extension. The 7HZ Timeless sounds in general a bit smoother and controlled compared to the LetShuoer S12 that’s sounds a bit more energy loaded and shouty.Resolution, detail and soundstage - I kinda get where the hype comes from, as the resolving ability of the S12 is astonishing, especially at this price range. I think it's even more accurate and detailed than Sundara. The soundstage is just average, S12 plays pretty much in your head, and I think this is fairly standard in an IEM, but the recessed mids make everything sound thin and small. Good bass and treble extension makes up for it a little bit. Instrument separation is quite good, but not as impressive as expected, since Shuoer S12 sounds rather smooth and the tuning is more fun than analytical. At the rear surface of the monitors is a slightly angled sound nozzles and one of the two vent holes drilled to the side of the unit to reduce pressure against the ear drums to protect the users hearing. The sound nozzle has fine metal mesh/filter on the top to prevent the insertion of small particles such like dust or ear-wax that can damage the driver overtime. The listening tests for this review were conducted using a mix of the iFi Go Blu wireless DAC/amp using LDAC and the Xduoo XD-05 Plus. Music was played of Spotify on Very High quality and from a mix of games, streamed shows and movies, and local video files with uncompressed audio.
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