FiiO FH9 Knowles 7 Driver Hybrid In-Ear HiFi Earphone

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  • Seven-driver hybrid configuration per side
  • In-house developed 13.6mm dynamic driver with 2nd-Gen DLC diaphragm
  • Six Knowles Balanced Armature drivers
  • Interchangeable tuning filters
  • Semi-open acoustic design
  • S.TURBO acoustic technology
  • Impedance: 18Ω@1kHz
  • Sensitivity: 108dB
  • Frequency Response: 10Hz-40kHz
  • Max input power: 100mW
  • Stainless Steel Angled MMCX connectors
  • High-purity Pure Silver Cable
  • Interchangeable Termination plugs (2.5/3.5/4.4mm)
  • Rich collection of accessories

In the Box

  • FiiO FH9 Knowles 7 Driver Hybrid In-Ear HiFi Earphone
  • Bass eartips (S,M,L)
  • Balanced eartips (S,M,L)
  • Vocal eartips (S,M,L)
  • Foam eartips (2 x M)
  • Double-flang ear tips (2 x M)
  • SpinFit eartips (S,M,L)
  • Cleaning Brush
  • MMCX removal tool
  • Magnetic cable tidy
  • 3 types of Audio filters
  • An 8-strand, 224 wires each, high-purity monocrystalline pure silver cable
  • Interchangeable audio plugs (2.5/3.5/4.4mm)
  • HB5 carry case

Clearance products


FiiO FH9, the latest flagship Hybrid driver in-ear monitor from the house of FiiO is here. Featuring their in-house developed 2nd-Gen DLC diaphragm Dynamic Driver paired to six Knowles balanced armature drivers, FH9 boasts a seven-driver hybrid configuration on each side. FiiO FH9 features the latest generations industrial-grade semi-acoustic design and premium titanium alloy cavities as well as FiiO’s patented S.Turbo acoustic turbocharged structure design.

Seven Driver Hybrid Configuration Producing High-Resolution Clarity

FiiO has designed the FH9 with a seven-driver hybrid configuration on each side. The pair houses a 13.6mm 2nd generation DLC diaphragm dynamic driver paired to six premium balanced armature drivers designed by Knowles. They ensure you get a true-to-life sound performance, a true flagship performance with the FiiO FH9 delivering excellent details and having a rich natural tonality.

Large Dynamic Driver With 2nd Generation DLC Diaphragm

FiiO has designed a large 13.6mm dynamic driver unit for the FH9 that adopts a 2nd gen DLC(Diamond-Like Carbon) diaphragm coil. It is tuned specifically for producing a tremendously powerful and balanced lower-end response. FH9 benefits from it presenting the users with an impactful bass response that has pretty solid extensions.

Knowles Designed Balanced Armature Drivers

Knowles is a world-renowned brand that designs high-quality balanced armature drivers in the industry. FiiO has partnered with them to feature six of their high-performance balanced armature drivers in the FH9. Three SWFK-31746 drivers are here for a highly-resolving high-frequency response. FiiO and Knowles together have custom-developed three BA units for rich midrange response. You get to experience crisp midrange with highly-detailed high-frequencies with the FH9.

Next-Gen Industrial-Grade Titanium Alloy Cavities

FiiO has designed the stunning cavities for FH9 based on their latest-gen industrial-grade design. They feature precisely crafted CNC machined Titanium alloy ear cavities. The Titanium-alloy construction is extremely rigid and helps to minimize the unwanted harmonics and resonances in the output signal. Each FH9 unit is made with great precision using a five-axis CNC machining process. The cavities implement their newly-developed Semi-Open Acoustic cavity structure that maintains the air pressure inside the cavity.

Adjustable Sound With Swappable Filters

FiiO FH9 comes with three interchangeable sound filters, each filter has its own damping and filter density. They help adjust the sound and is to be used as per the user’s preferences. The pair comes packed with a red filter for enhancing bass responses green filter for transparent and balanced sound, and a black filter for highly-resolving detailed treble sound.

High-Purity Pure Silver Cable With Swappable Termination Plugs

FiiO FH9 comes bundled with a high-purity monocrystalline silver cable with 9 branches of 28 wires each, for a total of 224 wires. Each wire is individually isolated. They are braided together in a Litz pattern. It provides ultimate sound signal characteristics with ultra-low internal resistance to the signal. It has swappable termination plugs with 4.4mm, 3.5mm, and 2.5mm termination plugs included in the package.