FiiO FF5 Flat-Head Dynamic Driver Earbud

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  • Large 14.2mm Dynamic Driver Unit
  • PU Gasket+Carbon-Based Composite Diaphragm Coil
  • Extended Bass Response With Acoustic Resistance Tubes
  • Comfortable Fit with Anti-Slip Rings
  • High-Purity 4-Strand Silver-Plated Monocrystalline Copper Cable
  • Expanded MMCX Connectors
  • Detachable Termination Plugs 3.5mm/4.4mm Included
  • Diffuse Open-Cavity Design
  • Professionally-Tuned Frequency Response
  • CNC-Machined Aluminium Alloy Construction
  • Lightweight & Ergonomic
  • Impedance: 45Ω@1kHz
  • Sensitivity: 106dB/mW
  • Frequency Response Range: 20Hz-20kHz


In the Box

  • FiiO FF5 flat-head earbuds
  • Detachable cable with including interchangeable 3.5mm and 4.4mm plug options
  • MMCX tool
  • HB1 Carry Case
  • Anti-slip silicon rings, 3 x Medium size (black)
  • Anti-slip silicon rings, 3 x Large size (clear)
  • Treble sponge covers, 6 pairs (open holes)
  • Bass sponge covers, 6 pairs (thick)
  • Balanced sponge covers, 6 pairs (thin)
  • Manual


Clearance products


FiiO FF5 is a brand-new flat-head earbud designed with a large 14.2mm dynamic driver unit. FiiO has carefully designed this new driver unit with PU Gasket+Cabon-based Composite diaphragm coil. With a specially developed open-back cavity design and acoustic resistance tube-based acoustic architecture, the FF5 delivers impressive sound performance with a deep, thunderous lower end, rich midrange, and smooth, inoffensive treble response. FF5 complements different genres of music well!!

Powerful Sound With Newly Developed Dynamic Driver Unit

FiiO FF5 breaks the limitations of earbuds with a powerful 14.2mm newly-developed dynamic driver unit. This driver adopts a specially-developed carbon-based composite diaphragm that is paired with PU Gasket Suspension. It’s both lightweight and rigid, delivering powerful sound with quick transients, extended lower and higher-end frequencies, and minimizing non-linear distortion in the output signal. The pair has been tuned to deliver lovely vocals, especially rich and lush-sounding female vocals.

Professionally Designed Open-Back Cavity Design

FiiO development team aimed to reduce the unwanted reflections and vibrations within the shell of the FF5. They have carefully designed the cavity structure with a diffuse open back cavity design. It allows for cleaner, purer sound with improved bass and a wider sound field. 

Extended Bass Acoustic Resistance Pipe Design

In order to maintain a clean bass response with the FF5, FiiO has designed the pair with acoustic resistance pipes that helps to effectively increase and extend the bass response. When the diaphragm vibrates, the air pressure is diverted towards these acoustic resistance pipes reducing the resonance in the lower end and delivering a clean response.

Rich & Seductive Sound Tuning

FiiO FF5 is tuned to deliver rich vocals and impressive details with a powerful lower end in a single package. The pair has been adjusted to deliver clear, crisp vocals and accurate instrument details.

Attractive Design With Lightweight Aesthetics

FiiO FF5 is a premium earbud designed with CNC-machined aluminium alloy ear cavities. Each earphone weighs just only 3.4 grams maintaining a lightweight with a solid, robust build. With its ergonomic shape and lightweight design, the FF5 simply disappears in your ear!! FiiO also bundles six pairs of silicone rings for a comfortable wearing experience.

High-Purity Silver-Plated Monocrystalline Copper Cable

FiiO FF5 comes standard with a high-quality silver-plated monocrystalline copper cable. It has a 4-strand configuration with 392 wire cores in total. It has expanded MMCX connectors and swappable termination plugs. The package includes 3.5mm and 4.4mm termination plugs.



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