SKU: 23402601074

FiiO FH15 In Ear Monitor

Sale price$11205.00 Regular price$12450.00
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Ships within 48 hours · Estimated delivery Jul 14 - Jul 19

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Description

FiiO FH15 In Ear MonitorDescription Features 1 dynamic 3 balanced armature drivers hybrid design 10mm carbon based diaphragm dynamic driver Custom Knowles ED 30262 for mids Two Knowles RAD 33518 for treble CNC aluminum alloy construction Turbo patented design for enhanced bass, more robust and deeper lows Notch filter technology for smoother treble 3 tuning filters included 152 wires silver plated monocrystalline copper cable FiiO HS18 ear tips Newly developed 10mm dynamic

Description

Features

  • 1 dynamic 3 balanced armature drivers hybrid design
  • 10mm carbon-based diaphragm dynamic driver
  • Custom Knowles ED-30262 for mids
  • Two Knowles RAD-33518 for treble
  • CNC aluminum alloy construction
  • Turbo patented design for enhanced bass, more robust and deeper lows
  • Notch filter technology for smoother treble
  • 3 tuning filters included
  • 152 wires silver-plated monocrystalline copper cable
  • FiiO HS18 ear tips

Newly developed 10mm dynamic driver with carbon-based diaphragm

The FiiO development team chose to use carbon-based materials for the dynamic driver diaphragm, , which allows for excellent transient performance. Carbon’s light weight, strong rigidity and high internal resistance means that the dynamic driver can quickly start and stop movements when responding to changes in the input signal. The high internal damping of the thousands of stacked and woven cross-fiber filaments of the carbon-based diaphragm means that the edge and the middle of the diaphragm can move together in the same direction quickly - minimizing breakup of the driver that results when different parts of the driver do not move in synchronization. This results in less distortion and ultimately clearer sound. 

Custom Knowles BA drivers as if you were at the concert

For mid frequencies, the FH15 employs the custom Knowles ED-30262 BA drivers. These drivers work in conjunction with specially placed tuning holes in the shell of the FH15 which allows for lusher vocals and a more musical sound.

Treble is handled by 2 Knowles RAD-33518 BA drivers, which are capable of high treble resolution and capture every last detail in the music, for a truly airy sound. These drivers ensure that you get a listening experience as if you were there with the performing artists.

Custom notch filter richer sound for more pleasant listening

"For multi-driver hybrid earphones, combining them properly requires one to not only look at the drivers as a unit but also independently. We first tuned each driver separately as if they were on their own, and then scientifically combined the drivers together. This methodical process allowed us to reach our sonic goals for the FH15." 

The notch filter is specifically custom-made for the FH15 and gives it its distinctive sound:

A Helmholtz resonator is designed to work with the mid-frequency ED drivers. When the sound wave is at a particular frequency that the Helmholtz resonator is designed to work with, the volume of sounds with this frequency is enhanced as the resonator concentrates and resonates that frequency.

When looking at the frequency response curve, it can be seen that the response between 1 kHz and 4kHz has been improved, resulting in denser-sounding mids giving vocals and instruments more realism without sounding thin.

Additionally, the resonator is connected to a thin opening to eliminate any unwanted resonance peaks and overlapping frequencies produced by the different drivers, in order to achieve better coherency among the drivers while also eliminating sibilance. This is the notch filter technology employed in the FH15.

S.Turbo patented design

Scientific HiFi with optimized frequency response

Balance between bass, mids, and treble as well as clarity are the ideal sound goals of many audiophiles, but this is easier said than done with multi-driver hybrid IEMs. This is because the multiple drivers naturally produce frequencies that overlap and interfere with each other. Thus, crossovers that divide the frequencies to be produced between the drivers are needed in order to achieve clear, coherent sound.

Thus, the RC circuit design is used to manage the crossover in the higher frequencies, with the treble driver with the higher resonant frequency being used as the high-pass filter. For managing crossover of the lower frequencies, the traditional low-pass filtering LC circuit requires components that take up too much space in the naturally small in-ear monitors.

Come, let me be in charge of the sound

Interchangeable sound filters

3 pairs of audio filters are included, each pair allowing for a different sound depending on the density of materials within the filter:

Red filter—— enhanced bass, for a bold sound

Black filter—— balanced sound, transparent and clear

Green filter—— exquisite treble, highly resolving

*Green filters are pre-installed, the other filters are on the included storage sheet

Specifications

Wearing style: Over-the-ear IEM

Shell construction: Aluminum alloy

Dynamic driver: 10mm carbon-based diaphragm (low frequencies)

BA driver:

               Knowles RAD-33518*2 (treble)

               Knowles ED-30262 (mid frequencies)

Frequency response: 10Hz-40kHz

Impedance: 16 Ω @ 1kHz

Sensitivity: 112dB/mW@1kHz

Cables: 152 wires total high-purity silver-plated monocrystalline copper

Cable length: About 1.2m

Unit weight: About 6.6g (excluding cable)

Accessories

Item

Notes

3.5mm swappable plug*1

Pre-installed

4.4mm swappable blug*1

 

Treble filter*2 (green ring)

Pre-installed

Balanced filter*2 (black ring)

 

Bass filter*2 (red ring)

 

MMCX tool*1

 

Carrying case HB1*1

 

Cleaning brush*1

 

HS18 ear tips*3 pairs (SML)

 

Balanced ear tips*3 pairs (SML)

M size pre-installed

Vocal ear tips*3 pairs (SML)

 

Bass ear tips*3 pairs (SML)

 

Dual-flange ear tips*2 pairs (M)

 

Foam ear tips*2 pairs (M)

 

Manual*1

 

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 23402601074

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West Palm Beach, US
★★★★★ 3
Good watch, not incredibly durable for everyday use.
Color: silver/brown
A nice watch, the date feature and the glow in the dark were quite helpful. It lasted be about 6 months of regular use. Unfortunately it stopped keeping time (intermittent freezing) and the second hand fell off, I'm kinda disappointed with its durability. Unsure of the initial cause, I guess I hit something with my wrist.
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Reviewed in the United States on September 14, 2025
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Nick b.
New York, US
★★★★★ 5
Inexpensive good looking watch
Color: silver/glowing/green, Color: silver/glowing/green
Very nice looking watch
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Reviewed in the United States on May 16, 2026
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Harold the Barrel
Pawtucket, US
★★★★★ 5
EXCELLENT WATCH FOR THE MONEY
Color: Black
The watch is reliable, well-made and looks high-end on the wrist. Excellent watch for the money!
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Reviewed in the United States on April 6, 2026
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DW
Belleville, US
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Fresh af
Color: Black
Gorgeous watch. Classic, great quality. Highly recommend.
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Reviewed in the United States on April 14, 2026
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D. Hensley
Battle Creek, US
★★★★★ 5
Really classy watch!
Color: Brown/Stainless Steel/White, Color: Brown/Stainless Steel/White
Really looking watch, it looks expensive! It gives more confidence when wearing outfits. It's simple to look at, very minimalist, but it shows the date and day. I really like the roman numerals too!
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Reviewed in the United States on April 8, 2026

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