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FiiO JT9 open-back planar magnetic headphones
  • FiiO JT9 open-back planar magnetic headphones
  • FiiO JT9 headphones with desktop amplifier
FiiO JT9
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FiiO

FiiO JT9

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9.848,67 Kč
9.848,67 Kč
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Coming soon · Available 2026-09

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FiiO JT9 9.848,67 Kč

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FiiO JT9 – Open-back planar that folds to travel

The JT9 is an open-back planar magnetic headphone for listeners who want a large-driver planar stage without the bulk. A custom 95 × 86 mm driver with an ultra-thin diaphragm delivers fast, detailed sound, while a 365 g foldable build keeps long sessions comfortable and makes it easy to pack away. A standout open-back from the FiiO range at Soundium.

Key Features

  • 95 × 86 mm planar driver: Large custom driver with an ultra-thin diaphragm for quick, detailed transients.
  • Open-back design: Spacious, natural soundstage that lets recordings breathe.
  • Dual-coating diaphragm: Patented coating with a uniform magnetic field for lower distortion and even drive.
  • 365 g lightweight build: Comfortable over long listening despite the large drivers.
  • Foldable: Collapses down for storage and travel.
  • Balanced and single-ended cables: Both 3.5 mm and 4.4 mm balanced cables in the box.

Customer Benefits

Open-back planars usually reward you with a wide, honest stage but ask you to stay put. The JT9 keeps the stage and adds portability: it folds flat and stays light at 365 g, so it travels between desk and sofa without complaint. With both a single-ended 3.5 mm and a balanced 4.4 mm cable included, it slots straight into a desktop amp or a balanced portable source the day it arrives.

Quick Specs

  • Driver: 95 × 86 mm planar magnetic
  • Design: Open-back, over-ear
  • Sensitivity: 95 dB/mW
  • Weight: 365 g
  • Cables: 3.5 mm single-ended and 4.4 mm balanced

What's in the Box

  • JT9 headphones
  • 3.5 mm single-ended cable
  • 4.4 mm balanced cable

Ideal For

Critical listening at the desk, balanced-source setups, and listeners who move their planars around the home.

Pros & Cons

✅ Pros:

  • Large 95 × 86 mm planar driver with an ultra-thin diaphragm
  • Light and foldable for an open-back planar
  • Balanced 4.4 mm cable included alongside 3.5 mm
  • Open, natural soundstage

⚠ Cons:

  • Open-back design leaks sound, so it is not for shared spaces or commuting
  • Gets the most from a dedicated headphone amplifier

If you want a planar stage you can fold up and carry between rooms, the JT9 earns its place on the desk. Find the FiiO JT9 at Soundium.
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