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Moondrop Variations tribrid IEMs with stainless steel and resin shells, detachable cable

Moondrop

Moondrop Variations 1DD+2BA+2EST IEM accessory

SKU CH-X945-TE77D

Tribrid in-ear monitor with 10 mm dynamic, dual balanced-armature and dual electrostatic drivers, 9–40 kHz range, 116 dB sensitivity, 15.2 Ω impedance, and 0.78 mm detachable cable

  • TypeHeadphone
  • Tribrid driver array delivers detailed sound across the frequency range
  • 10 mm LCP dynamic driver anchors deep, controlled bass
  • Softears custom balanced armatures handle clear midrange reproduction
  • Dual Sonion electrostatic drivers extend treble to 40 kHz
  • 78 mm detachable cable with PCC coaxial copper ensures reliable connection

Tribrid Driver Configuration

The Moondrop Variations is an in-ear monitor built with a 1DD+2BA+2EST tribrid driver array. A 10mm LCP liquid crystal diaphragm dynamic driver handles bass, while dual Softears D Mid B balanced armatures and dual Sonion electrostatic drivers cover midrange and treble. The design targets listeners who want a single earphone to cover a wide frequency span without switching models. It is not suited for buyers who prefer a purely dynamic or single-driver signature.

Frequency Response and Drive Requirements

The published frequency response range is 9-40kHz per IEC61094 free-field measurement, with an effective response of 20-20kHz per IEC60318-4 at -3dB. Sensitivity is rated at 116dB/Vrms at 1kHz and impedance sits at 15.2 ohms at 1kHz with a ±15% tolerance. Total harmonic distortion across the band is stated below 1%. These figures indicate the Variations can be driven cleanly by portable sources, though very low-output devices may limit peak volume headroom.

Detachable Cable and Cavity Construction

A standard 0.78mm universal detachable interface allows cable replacement or upgrade using a PCC coaxial single-crystal copper cable supplied in the box. The cavity combines stainless steel with medical-grade resin, produced via 3D printing to integrate a physical filter structure and frequency divider circuit. This construction aims to align amplitude and phase response across the five drivers. No additional accessories or software are mentioned in the supplied data.

Highlights

  • Tribrid driver array delivers detailed sound across the frequency range
  • 10 mm LCP dynamic driver anchors deep, controlled bass
  • Softears custom balanced armatures handle clear midrange reproduction
  • Dual Sonion electrostatic drivers extend treble to 40 kHz
  • 78 mm detachable cable with PCC coaxial copper ensures reliable connection

Specifications

TypeHeadphone

Questions about this item

Will the 0.78 mm detachable cable work with my older IEMs that use the same connector?

Yes, the 0.78 mm universal detachable interface is a standard size, so the included PCC coaxial single crystal copper cable will fit any IEM that uses a 0.78 mm 2-pin connection.

How can I verify the Variations is performing correctly after I plug it in?

With a sensitivity of 116 dB/Vrms at 1 kHz and an impedance of 15.2 Ω, the earphones should reach comfortable listening volumes at low source gain and measure close to the stated 20–20 kHz effective response if driven by a clean signal.

What accessories come in the box and what must I buy separately?

The Variations earphones ship with a standard PCC coaxial single crystal copper cable terminated in a 0.78 mm 2-pin connector; any alternative cables, ear-tip sets or portable DAC/amps are separate purchases.

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