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Pair of aluminium-shell in-ear earphones with silver-plated MMCX cable and 3.5mm plus 4.4mm plugs

FiiO

FiiO FF5 Carbon-Based Dynamic Driver In-Ear Earphone 14.2mm 3.5mm 4.4mm MMCX Cable Aluminium Shell

SKU CH-E4HK-7BGYQ

Carbon-based 14.2mm dynamic driver delivers live soundstage with sub-bass, lush vocals and clear treble via silver-plated copper MMCX cable with 3.5mm and 4.4mm plugs

  • Product typeHeadphone
  • 2 mm carbon-based dynamic driver delivers extended sub-bass
  • 392 silver-plated monocrystalline copper wires reduce skin effect for clear treble
  • 5 mm and 4.4 mm MMCX plugs let you swap cables instantly
  • Aluminium alloy shells provide rigid housing for wide live soundstage
  • Included sponge pads and silicone rings let you tune the fit and sound

FF5 carbon-based dynamic driver in-ear earphone

The FiiO FF5 uses a specially developed 14.2 mm dynamic driver with a PU gasket and carbon-based diaphragm plus extended bass acoustic resistance pipes. It delivers a live soundstage with sufficient sub-bass, lush vocals and clear treble. The package includes a standard four-stranded 392-wire silver-plated monocrystalline copper cable to reduce skin effect and improve treble resolution.

Check your source and fit before ordering

Ensure your playback device offers a 3.5 mm or 4.4 mm headphone output to match the supplied MMCX cable terminations. Verify that an in-ear form factor suits your comfort preferences and that you can achieve a proper seal with the included tips. The detachable MMCX connectors allow cable replacement but require careful alignment when swapping.

Thermals noise and power draw in normal use

Passive in-ear monitors generate no heat and produce no audible self-noise during listening. They draw negligible power from the source device, so battery drain on portable players is minimal. The aluminium shells remain at ambient temperature even during extended sessions.

How it compares

Measured against everything we stock in Earbuds & Over-Ear Headphones, at today’s prices. Recalculated every night.

Price $231.99
Pricier than about 90% of the 7,078 comparable items (median $25.99).

Specifications

Product
Product typeHeadphone

Questions about this item

What accessories are included in the box and what must be purchased separately?

The package includes the earphones with a detachable 4-stranded 392-wire silver-plated monocrystalline copper MMCX cable terminated with both 3.5mm and 4.4mm plugs, plus sponge pads and anti-slip silicone rings for fit adjustment. No separate cable purchase is required.

How do I choose between the 3.5mm and 4.4mm plugs supplied with the cable?

Use the 3.5mm plug for standard single-ended outputs on phones, laptops or portable players. Use the 4.4mm plug for balanced outputs on compatible digital audio players or desktop amplifiers to benefit from lower crosstalk and higher drive voltage.

What does the 14.2mm carbon-based dynamic driver deliver in everyday listening?

The large 14.2mm driver with a PU-gasket carbon-based diaphragm and extended bass acoustic resistance pipes produces a live soundstage with sufficient sub-bass, lush vocals and clear treble for music playback.

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