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[GRADE S] LETSHUOER S15 In-Ear Monitors IEM
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Refurbished product - Grade S
Brand new product. Blister packaging missing.
LETSHUOER S15 Dynamic Planar-Membrane In-Ear Monitors IEM 30Ω 106dB 20Hz-40kHz
The Letshuoer S15 in-ear monitors are equipped with a third-generation planar magnetic driver with a diameter of no less than Ø14.8mm, giving them a wide soundstage. The S15 are the result of extensive research and technical optimization of planar membranes. Their structure also incorporates a 6mm passive radiator to optimize the driver and provide greater dynamics and transient response. This improves the overall quality of low frequencies and enables more precise sound reproduction.
Letshuoer S15: An innovative planar membrane
The S15's planar diaphragm makes them ideal for reproducing all styles of music. Thanks to their wide soundstage, they offer a detailed and precise reproduction. The 6mm passive radiator accompanying the planar diaphragm is based on R-Sonic Dynamic Harmonic technology. This passive radiator eliminates low-frequency excess, manages internal acoustic pressure and ensures effective passive resonance.
Letshuoer S15: a structure with an acoustic tube filter system
The S15 incorporates a two-tube acoustic crossover system to ensure a smooth transition between bass, midrange and treble. This brings transparency and rich stratification to the sound. The distribution of energy between the planar driver and the passive radiator also reduces distortion.
Letshuoer S15: an optimized acoustic chamber
The S15 acoustic chamber was designed by Letshuoer in collaboration with HeyGears. It meets the highest standards of stability and comfort. The interior is specially designed to provide acoustic stability and a very low level of distortion. In addition, the exterior of the shell is made from a CNC-machined aluminum-magnesium alloy, sandblasted and anodized for a soft, smooth surface.
Letshuoer S15: audiophile accessories
To ensure perfectly stable transmission of the sound signal, a high-end cable made of 216 strands of silver-plated monocrystalline copper is supplied. Standard CIEM 0.78mm connectors are found on the earphones side, while a termination compatible with 3 tips is found on the other side of the cable. You can choose between the following connectors: 3.5mm jack, 4.4mm jack or 6.35mm jack. All connectors are angled at 90°.
Technical characteristics
| Specifications | |
|---|---|
| Product type | In-ear monitors |
| Speaker type | Planar membrane and passive radiator |
| Diaphragm diameter | Ø14.8mm |
| Shell material | Aluminum and magnesium |
| Impedance | 30 ohms |
| Frequency response | 20Hz - 40kHz |
| Sensitivity | 106dB |
| Earphones connectors | CIEM 0.78mm |
| Cable conductor | Silver-plated single-crystal copper |
| Interchangeable cable termination | 1x 3.5mm jack, 90° angled 1x 4.4mm jack, 90° angled 1x 6.35mm jack, 90° angled |
| General | |
|---|---|
| Color | Blue and silver |
| Package | 1x LETSHUOER S15 in-ear monitors 1x 0.78mm CIEM cable to interchangeable termination 1x Jack 3.5mm 90° angled connector 1x jack 4.4mm 90° angled connector 1x Jack 6.35mm 90° angled connector 1x Storage pouch |
| Color | Blue |
| Color | Silver |
| Impedance (Ω) | 30 |
| Efficiency / Sensitivity (dB) | 106.0 |
| Lowest frequency (Hz) | 20 |
| Highest frequency (Hz) | 4000 |
| Refurbished Grade | Grade S |
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