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Description
Letshuoer Astralis 15.5mm Planar Driver IEM
Architectural Reimagination Meets Sonic Precision
The Letshuoer Astralis redefines what a planar IEM can achieve. Built around a 15.5mm 5th-generation ring-type planar driver, this is not just an upgrade—it’s a complete reinvention of planar acoustic engineering.
Unlike traditional square planar drivers, Astralis introduces a circular diaphragm design that optimizes airflow and vibration control. The result? Deeper bass extension, faster transient response, and a more natural, layered soundstage that brings your music to life.
Whether you're an audiophile or a critical listener, Astralis delivers a clean, powerful, and immersive listening experience with exceptional detail retrieval and tonal balance.
Circular Planar Driver – A True Breakthrough
At the heart of Astralis lies LETSHUOER’s proprietary innovation:
- Ring-type circular planar diaphragm
- Nanometer magnetron-sputtered dual-sided voice coil
- PTR elastic film surround for controlled movement
- Annular N52 high-performance magnets
This redesigned architecture enhances:
- Low-frequency depth without distortion
- Lightning-fast transient response
- Improved imaging and separation
- Natural timbre across frequencies
Low Impedance Transmission for Pure Signal Flow
Astralis uses a direct solder voice coil structure, minimizing signal resistance and maximizing efficiency.
This results in:
- Cleaner signal transmission
- Reduced oxidation over time
- Improved durability and longevity
- Consistent acoustic performance
Premium Build – Designed for Comfort & Stability
The Lunar Silver Grey CNC-machined aluminum housing provides both durability and acoustic stability.
- Ergonomic shape ensures long listening comfort
- Lightweight yet robust construction
- Signature blue star faceplate design
- Secure in-ear fit for extended sessions
216-Strand High-Purity SPC Cable
Included is a premium 216-strand silver-plated copper cable, engineered for pristine signal transfer.
- High conductivity for better clarity
- Soft, flexible, and durable design
- Minimizes signal loss and distortion
- Enhances overall transparency
Interchangeable Plug System (3.5mm & 4.4mm)
Astralis offers unmatched versatility with:
- 3.5mm & 4.4mm interchangeable plugs
- 0.78mm 2-pin connector system
- Wide compatibility with smartphones, DACs, and DAPs
Plus, the included DT01 Pro Type-C DAC cable ensures you’re ready for modern devices out of the box.
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Amazing single DD iem , the ceramic dome diaphragm is incredibly fast, the transient response is excellent which makes the instruments separation really good, mid bass is punch is excellent, the kick drums have incredibly fast attack, with enough weight and fast decay, the sub bass rumble is not much (good from gaming pov) vocals are quite forward and have good weight, highs can be a bit fatiguing for many but the driver has been tuned that way for gaming, the imaging and soundstage is holograhic, footsteps are other audio cues are very easy to pin point accurately.
Nice product and quality also good😊 sound is awesome only bass is not high else verything was perfect. Happy with the product.
The best IEM Earbuds at this price with Planar Drivers and Bluetooth 6.0 and the cherry on top of having a LDAC truly a Audiophile's dream.
This is my first IEM , I have been watching lots of iem videos and comparison to find a right pair for my purpose ( mainly watching movies of all genre and music ) .
I was about to purchase kz duonic but one of the youtuber suggest earacoustic cipher gaming as an better version of kz duonic.
It have really good bass and also have wide sound stage for my purpose.
I'm absolutely enjoying this one.
So this was my first ever iem. I think I picked the right one Choosing this. The one I got is type c with mic the mic is not that much but the iems are amazing. Has good details and sub bass. And for me I play a ton of games the details I'm getting on this is just crazy.
Good case to protect your iem
Such a great 👍 product
Great as its name klean fun energetic sound comfy for long periods it's been month don't need some high budget dac simple dongle can make magic
Still pretty new to the audio hobby so I didn't want to spend toomuch on a player, and this thing is perfect. It makes my IEMs way louder and cleaner than my phone did, and the orange color looks crazy good in person. Battery easily lasts me through a whole week of bus rides.
My mind is blown listening to the vocal clarity and instrument separation, and yeah I'm using it without a dac 🤯
best for gaming in this budget and i love the service from the audio store ❤️✨
Superb iem
I got the recommendation from reddit and some YT videos and these the the best IEM for 1k in my opinion. if you are looking for budget IEMs go for it. i just found the treble to be on the higher side and the quality of the cable feels cheap but if you want value for money and care about the audio quality. go for it !
Good decent bass and excellent vocal vlarity and warm treble section. Total nice at this price range
Clean, detailed sound with good clarity.
Tight and controlled bass rather than overly boosted bass.
Forward vocals and clear mids. Very good iem
