Letshuoer S12 planar magnetic in-ear headphones — Silver, 14.8mm driver, detachable 4.4mm cable

The Letshuoer S12 are premium wired in-ear headphones that use a 14.8mm planar magnetic driver to deliver detailed, low-distortion sound with a comfortable ergonomic shell and a detachable 4.4mm-capable cable.

Built for listeners who want clarity and punch from portable sources, the S12 pairs a large planar diaphragm with a precision‑milled chassis and a versatile detachable cable. With 102 dB/mW sensitivity and a robust silver-plated monocrystalline copper cable, these earphones are designed to reach reference listening levels from phones, tablets, and desktop DAC/amps without needing an external amplifier. The package also includes multiple ear tips and user essentials so you can get a tailored fit and listening experience right out of the box.

How does the 14.8mm planar driver change what I hear?

The S12’s large planar driver provides a different response than typical dynamic drivers: faster transient response, cleaner midrange, and controlled bass. That makes complex mixes easier to follow and keeps instruments distinct at higher volumes without sounding congested.

• Wide diaphragm area for improved low-frequency extension and definition.
• High sensitivity (102 dB/mW) for effortless playback from portable devices.
• Reduced distortion on detailed passages compared with small dynamic drivers.

Will these earphones stay comfortable during long listening sessions?

Comfort is addressed through an ergonomically molded chassis that matches the concha shape and two side vents to reduce inner‑ear pressure. The smooth, matte finish and rounded edges reduce hotspots, allowing extended wear without discomfort.

• Molded shell shape for secure fit and even pressure distribution.
• Dual side vents to minimize occlusion and ear fatigue.
• Lightweight, 5-axis milled aluminum body for strength without bulk.

What does the included cable and accessories offer?

The S12 ships with a detachable 0.78mm dual-pin cable made from 128 strands of silver-plated monocrystalline copper, providing low impedance and good shielding against interference. You’ll get user tips in foam, standard silicone, and clear variations in S/M/L sizes so you can tune comfort and isolation.

• Detachable cable for easy replacement or upgrade; available with 3.5mm or 4.4mm plug options.
• High-strand-count silver-plated cable for improved clarity and low noise.
• Three tip types and multiple sizes to optimize seal and sound signature.

How durable and portable are the S12 earphones?

The S12 chassis is precision-milled with a five-axis process for a smooth, unified exterior that resists wear and fits neatly in everyday carry. The robust, well-shielded cable and detachable pins also make the system easier to service and less likely to fail under normal use.

• 5-axis milled aluminum body for scratch resistance and consistent finish.
• Detachable connectors reduce strain on the earphone housing.
• Matte surface and rounded seams minimize dirt buildup and ease cleaning.

Who is this for: The Letshuoer S12 suits discerning listeners who want planar-like speed and resolution from a portable in-ear design — audiophiles who use smartphones, DAPs, or desktop DAC/amps and value comfort, serviceable cables, and a selection of tips. If you need an in-ear that balances punchy bass with clean mids and long-wearing ergonomics while remaining easy to drive, the S12 is a practical, high-value option.