On this function, Kurt critiques the LETSHUOER DX1, a single self-developed 11mm dynamic driver common IEM with a built-in 5 kHz notch filter. It’s at present priced at $159.
Disclaimer: This pattern was despatched to me in alternate for my trustworthy opinion. Headfonics is an unbiased web site with no affiliate hyperlinks or standing. I thank LETSHUOER for his or her help.
Click on right here to learn extra about LETSHUOER merchandise beforehand examined on Headfonics.
This text follows our newest scoring pointers, which you’ll be able to learn in additional element right here.
LETSHUOER has steadily gained recognition throughout the audio neighborhood by way of a variety of IEM releases.
The model has maintained a constant presence throughout varied worth brackets, from entry-level units such because the S08 to higher-end choices such because the current Mystic 8 and the flagship Cadenza 12.
Their latest mannequin, the LETSHUOER DX1, continues the D-series lineup, specializing in a single dynamic driver configuration.
With a newly developed in-house 11mm aluminum-magnesium driver inside, can the DX1 maintain its floor in at this time’s more and more aggressive market?

Options
The LETSHUOER DX1 options an in-house developed 11mm dynamic driver constructed with an aluminum-magnesium alloy diaphragm coated with nanoparticle materials.
This mix enhances stiffness whereas preserving mass low, bettering responsiveness and lowering diaphragm deformation throughout motion.
On the floor of the diaphragm is a diamond-patterned topology construction designed to handle resonance and management modal breakup.
This geometric shaping helps stabilize diaphragm habits below load, permitting extra constant vitality switch throughout the frequency vary.
The motive force meeting is mounted inside a CNC-machined construction with exactly minimize parts for constant acoustic alignment. LETSHUOER’s coaxial fixture method ensures that diaphragm journey stays symmetrical, minimizing distortion from uneven stroke mechanics.
A hard and fast acoustic filter is embedded into the nozzle path, designed to focus on and attenuate resonance at round 5 kHz.
Along with inside airflow vents, this configuration helps easy out higher midrange vitality whereas sustaining stress management throughout the chamber.

Design
The LETSHUOER DX1’s faceplate appears to be like like the top of a bolt, with minimize edges that resemble a steel fastener and a brushed silver end within the heart. A easy champagne-colored ring wraps round it evenly, giving the faceplate a clear and mechanical look.
The shell is absolutely product of chrome steel with a mirror-polished floor that displays mild evenly throughout its curves. It has a easy, rounded profile that tapers naturally into the nozzle, forming a compact and steady teardrop-like form.
Each shells have a transparent “L” or “R” marking printed straight on the flat face of the 0.78mm connector block. On the outer aspect of the shell, “DEMO” is printed in all caps close to the underside edge, although a retail unit would sometimes have the serial quantity in that very same spot.
There are two small round vents positioned close to the bottom of the 0.78mm connector on the higher a part of the shell. A 3rd vent is situated nearer to the bottom of the nozzle, sitting simply earlier than the stem begins to angle outward.
The 0.78mm 2-pin connector is ready on a totally indifferent rectangular block that extends outward from the primary physique. The nozzle has a straight bore with a outstanding steel mesh filter that protrudes barely previous the nozzle’s edge, and a shallow lip helps maintain suggestions in place.

Consolation & Isolation
The LETSHUOER DX1 has a really compact construct with a rounded physique that takes after bullet-style IEMs. Its small measurement permits it to take a seat naturally within the ear with out urgent towards the outer ear or antihelix.
Due to the graceful stainless-steel end and curved design, it matches properly no matter ear measurement or form. There aren’t any protruding edges or sharp angles, making the shell disappear as soon as inserted.
The smaller measurement does scale back sealing power, which impacts passive isolation throughout use. Noise from the skin nonetheless comes by way of greater than standard, particularly in louder environments.
Regardless of the restricted seal, the low-profile design makes it straightforward to put on for lengthy durations with out discomfort. It’s particularly comfy for aspect sleeping, because the shell doesn’t stick out or shift when stress is utilized.

Ear Ideas
The LETSHUOER DX1 comes with three kinds of silicone suggestions that differ extra in consolation than in sound. These embody a large bore with a protracted brown stem, a balanced tip with a protracted black stem, and a large bore with a brief white stem.
The brown wide-bore suggestions provide an honest seal however are inclined to wobble barely throughout common head motion. With prolonged use, they will slip out and require readjustment.
The black balanced suggestions had the poorest seal among the many three and felt much less safe within the ear. Even the most important measurement couldn’t present a secure or tight match.
The white wide-bore suggestions delivered essentially the most safe and comfy expertise out of all three. Its shorter stem brings the DX1 nearer to the ear, creating a greater seal with no wobble throughout lengthy classes.

Inventory Cable
The inventory cable included with the LETSHUOER DX1 is a 256-core silver-plated monocrystalline copper cable. It has a tender, braided structure with a white cloth-like jacket that’s straightforward to deal with and light-weight in use.
The splitter is product of chrome steel with a refined end, whereas the higher portion close to the exit is roofed in a transparent clear sleeve. The three.5mm jack and the 0.78mm connectors additionally function clear housings that present the inner wiring and solder factors.
Left and proper indicators are printed on the connector housings, however the markings are extraordinarily faint and tough to see with out direct mild. Regardless of the refined labeling, the connector match is tight and holds its place properly as soon as inserted.
It is a non-modular cable, and patrons should select between a 3.5mm or 4.4mm model on the time of buy. Whereas there isn’t any swappable possibility, the cable design enhances the DX1’s compact kind and presents good construct high quality general.

Packaging & Equipment
The entrance of the field mirrors the faceplate design of the LETSHUOER DX1. It carries the identical bolt head look, with metallic ridges and minimize edges extending towards the edges, whereas a big DX1 is embossed on the heart.
Lifting the outer sleeve upward reveals a white interior field with the LETSHUOER title on the prime, a line artwork graphic throughout the floor, and the brand stamped on the backside nook. Underneath this lid is a layered structure that holds the IEM shells in cutouts and the equipment field beneath.
The equipment field incorporates three units of ear suggestions in several designs, together with the instruction handbook and guarantee card. Under the IEM tray is a round carrying case that appears like a Tupperware container.
The case consists of a easy silicone lid with the LETSHUOER brand molded within the heart, paired with an identical silver steel base. Inside it’s the included cable, neatly coiled and secured with a cloth strap.

Sound Impressions
The next sound impressions of the LETSHUOER DX1 had been accomplished utilizing a mixture of the Heartfield R1 and Colorfly CDA-M2 dongles.
Bass
The LETSHUOER DX1 has a subbass that delivers a lightweight rumble with managed weight. It doesn’t come off as overpowering and avoids drawing an excessive amount of consideration to itself.
Decay is barely prolonged, letting the lows linger simply sufficient to present depth and help. Regardless of this, it stays tight and avoids sounding muddy or gradual.
The mid-bass is impactful with a satisfying punch when wanted. Just like the sub-bass presence, it stays average in degree and doesn’t overpower the remainder of the tuning.
Bass guitars and kick drums carry a sensible tone with correct physique and texture. Every hit or observe lands with a pure sense of weight and by no means feels dry or flat.
Mids
The LETSHUOER DX1 has a standout vocal presentation that instantly grabs consideration. Each female and male vocals come by way of with a wealthy and centered character that feels grounded and secure.
Every observe has a powerful weight that provides the midrange fullness with out making it sound too thick. Vocals have a daring presence that’s noticeable immediately however stays clear.
Timbre is very pure throughout each vocals and devices, with no odd coloration or sharpness. Guitars, pianos, and acoustic strings sound correct and well-textured.
Regardless of the thicker observe profile, readability stays glorious, and layering is dealt with properly. Refined vocal particulars like respiration, pausing, and extra are straightforward to select up.
Your entire midrange sounds balanced with none awkward forwardness or dips. There’s a transparent sense of liveliness that makes it partaking whereas nonetheless staying easy all through.

Treble
The treble on the LETSHUOER DX1 is nothing particular, nevertheless it does its job with out drawing consideration. It stays in keeping with the remainder of the tuning and by no means turns into intrusive.
Cymbals and higher percussion sound tender, missing each edge and chunk. There may be speculated to be a metallic zing or trailing shimmer sound, however that tone is lacking and will get minimize off too early.
Element retrieval is appropriate for the worth, however doesn’t stand out. It captures fundamental texture however misses out on finer micro-details within the higher vary.
There isn’t any sibilance, and no harsh spikes present up even on brighter recordings. Treble general stays easy with no indicators of compelled sharpness or synthetic boosting.
Staging & Dynamics
Stage width stretches a bit previous the ears, giving an honest sense of area left to proper. Nevertheless, it doesn’t go very far in depth or top, so all the pieces feels prefer it stays in entrance of you.
Imaging is correct when the music is easy, and it’s straightforward to inform the place sounds are coming from. However as soon as extra devices are available in, placement turns into tougher to comply with.
Separation additionally drops off throughout busy songs, the place totally different sounds begin to mix. Layering isn’t very robust, and devices can find yourself overlapping an excessive amount of.
What stands out is how the DX1 handles adjustments in quantity and depth. Vocals at all times keep clear and full, whether or not the music is quiet or loud.
Click on on web page 2 under for my advisable pairings and chosen comparisons.

