Cayin YD01 Fantasy Beryllium Plated Single Dynamic IEM

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  • 10.3mm Dual-Cavity Two-Way Magnetic Structure Dynamic Driver Unit
  • Beryllium-Plated Diaphragm Material
  • Premium 316L Stainless Steel Earpieces
  • Impedance: 37 Ohms
  • Frequency Response: 20Hz-40kHz
  • Sensitivity: 108dB@1kHz
  • 2-Pin 0.78mm Connectors
  • Noise Isolation: 26dB
  • Cable Type: 4 Conductors
  • 3.5mm Gold-Plated Termination plug
  • Cable Length: 130cm

In the Box

In the Box

  • Cayin YD01 Fantasy Beryllium Plated Single Dynamic IEM
  • Detachable 3.5mm earphone cable
  • Earphone pouch (with internal pockets)
  • Silicon ear tips: Balanced x 3 pairs, Vocal-enhanced x 3 pairs, Bass-enhanced x 2pairs, bi-flange x 1 pair, standard x 1 pair (pre-installed to earphone)
  • Foam ear tips: Memory foam x 2 pairs
  • Cable Clip
  • Cleaning brush
  • Cleaning cloth
  • User Manual

Clearance products


Cayin has a reputation for making exquisite audio products with ultimate build and sonic qualities. The Fantasy is their first single DD pair of IEMs that reflects their beautiful craftsmanship.


Large Dual-Cavity Dynamic Driver Unit

The Cayin Fantasy features a 10.3mm dual-cavity dynamic driver unit with a two-way magnetic structure. It has a Beryllium-plated diaphragm material that combined with strong magnetic force gets swift movement resulting in an excellent sound quality output.

Premium 316L Stainless Steel Earpieces

Cayin is known for its excellent craftsmanship. The Fantasy is no different, the pair features premium Stainless-Steel earpieces crafted with high-precision CNC machining technology. It not only looks beautiful but also provides a super comfortable music listening experience.

Low Power Requirement, Easy Driveability

Cayin Fantasy has got a low impedance rating of just 37 ohms with a high sensitivity rating of 108dB. It can be powered easily using smartphones but using a Hi-Res player is recommended for best performance.

2-Pin Detachable Cable

The Cayin Fantasy has standard 2-pin 0.78mm connectors. The pair comes with a high-quality cable made using OCC and Silver-Plated cores and has a 3.5mm termination for universal compatibility with different sources.

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