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The LETSHUOER DZ4 utilizes a configuration of three 6mm titanium dome dynamic drivers and one “R-Sonic” Passive Filtering Module.

The three dynamic drivers each perform their respective roles, delivering excellent high-frequency performance, rapid transient response, and unleashing three times the sound energy.

Four-way acoustic tube and two-way crossover.With carefully selected Knowles acoustic damping material, DZ4 ensures stable sound transmission.

The drivers are connected to the dual-pin receptacle via a flexible printed circuit (FPC) crossover board.

CNC-milled anodized aluminum casing, which underwent a sandblasting treatment to present a subtle matte texture.

0.78mm dual-pin design, it allows for interchangeable cables, enabling different combinations to enhance sound versatility.
I won't even call this a nit pick. Tolerances, from the unpackaging and box to the cable and the item. What the heck?? First, box is so damn tight. Both of them. The one that keeps it together and the apple style drop box. Way too damn tight. Second, the cable slider- so damn tight as well. I gotta fight the cable and feels like I'm gonna strip the coating off the cable. Third, why is the head so damn large. That girthy thang don't fit any of my ear tips. My spinfit neos, velvets, even the damn dunu s&s. None of them fit nicely. I have to fight it and they look like they're about to pop any moment.
Sound quality is pretty damn good. No bass but the treble holy damn 🤤🤤. I was listening to "Work for You by Kaz Moon and Medasjn and the attack on notes was fantastic. The item feels pretty easy to drive, but it does seem like one of those that you want to pump the volume up.
Best fitting IEMs I have had
Great price and good sound.
Great
I really enjoy this iem it is a very mid focused sound that to me sounds like it very much highlights distorted guitars. Mostly listening to classic rock and metal like I do i very much enjoy something that highlights the electric guitar more than normal.