FiiO FH3
The FiiO FH3 pairs controlled sub-bass with warm, clean mids and exceptionally precise imaging, creating a cohesive, spacious listen that outperforms its compact price. Z Reviews admired its holographic placement, while Prime Audio Reviews highlighted its airy treble, strong separation, and premium-feeling execution. A richly equipped hybrid IEM with serious everyday appeal.
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Nicely Roasted
Sound Quality
86/100
Fit Comfort Isolation
86/100
Build Accessories
91/100
Value for Money
94/100
Pros
Precise, spacious imaging and well-organized instrument placement stand out for the price.
Full-bodied, controlled sub-bass delivers satisfying depth and impact without bleeding into the mids.
Lightweight metal shells, generous tip selection, cases, and cleaning tool make for a strong package.
Cons
Upper-treble extension and ultimate air are limited, with some listeners finding certain tips or recordings slightly harsh.
Dynamics and microdetail trail stronger alternatives, particularly in dense or demanding music.
Fit is tip-sensitive; some users may struggle to obtain a stable seal with the supplied silicone tips.
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What Reviewers Are Saying
SOUND QUALITY PERFORMANCE 86/100
The FH3 is widely regarded as a musical, warm-to-balanced hybrid with punchy bass, clean mids, and a spacious, accurately organized presentation. Its smoothness and coherence are major strengths, while ultimate treble extension, microdetail, and dynamic drive are more limited than the best higher-priced alternatives.
Bass
88/100
Reviewers consistently praise a full-bodied, sub-bass-focused low end with satisfying weight, depth, texture, and controlled impact. It is not universally considered the cleanest or most detailed bass in class, but it avoids midrange bleed and delivers an engaging, well-controlled thump.
Midrange
87/100
The midrange is generally described as warm, clear, and smoothly resolved, with good vocal and instrumental separation. Some listeners hear a laid-back presentation and slightly recessed vocal placement, while one reviewer found the overall timbre less natural than expected.
Treble
84/100
Treble is usually praised for being smooth, airy enough, and free of obvious sibilance or sharp peaks. Several reviewers note that upper-treble extension rolls off after roughly 10 kHz, and one found the treble somewhat harsh or less clean with certain tips and recordings.
Resolution Separation
86/100
Reviews highlight clean lines through the midrange, strong instrument separation, and above-average detail for the FH3's price. Fine low-level nuances and ultimate resolution are less convincing against stronger products nearer $200 and beyond, especially in dense material.
Soundstage Imaging
91/100
Spatial performance is a clear standout: reviewers repeatedly praise precise placement, layering, depth, and convincing left-to-right movement. Opinions on sheer width differ, with some calling it narrow and others exceptionally wide, but the imaging and organization are consistently strong.
Dynamics Coherence
82/100
The hybrid presentation is widely heard as cohesive, with bass, mids, and treble integrating more naturally than expected for the design. However, multiple comments point to restrained macro- and microdynamic expression, with one reviewer finding it lacking energy and emotional drive.
FIT COMFORT ISOLATION PERFORMANCE 86/100
The lightweight, rounded shells and angled nozzles earn frequent praise for secure, comfortable everyday wear, and isolation is considered better than average. Fit remains somewhat tip-sensitive: the long, aggressively angled nozzle worked very well for some reviewers but made a stable silicone-tip seal harder for others.
Seal Stability
83/100
Several reviewers obtained a stable, secure fit from the long nozzle and appropriate tips, with foam tips particularly successful for one listener. That same reviewer could not seal properly with the supplied silicone tips, while another found the nozzle angle restrictive with some tip choices.
Comfort
89/100
Most reviewers find the FH3 lightweight, ergonomic, and free from sharp pressure points, with reports that it can disappear comfortably in the ear. The shell is described as slightly chunky by one reviewer, but its rounded contours and nozzle angle are generally well received.
Isolation
85/100
Passive isolation is described as slightly above average, helped by the longer nozzle and a proper seal. It is not portrayed as a deep-insertion stage-monitor level of isolation, and its effectiveness will depend on finding compatible tips.
Assessments of Build Quality, Usability, and Overall Propositions.
Build Accessories
91/100
The FH3 receives strong praise for its solid aluminum construction, polished execution, and durable feel. The package is unusually useful for the price, with numerous silicone and foam tips, a hard case, a soft pouch, and a cleaning tool; the large hard case is less convenient for some users.
Value for Money
94/100
At roughly $120 to $130, reviewers repeatedly call the FH3 a bargain, a value, and a model that performs beyond its asking price. Multiple reviews consider it highly competitive below $200, with sound quality, imaging, build, and accessories supporting that enthusiasm.
Reviews & Sources
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Manufacturer's Description — FiiO
2 BA 1 Dynamic Driver Hybrid Earphones
Knowles BA drivers | Beryllium-plated dynamic driver
S.TURBO acoustic design | Balanced pressure relief technology
Expanded MMCX connectors | High-purity monocrystalline silver-plated copper cable | Aerospace grade aluminum-magnesium alloy shell | Two colors available
*Pictures are for reference only. The actual product may vary.
A Classic Reborn
One of FiiO’s classic earphones is getting a thorough upgrade to the next level! The FH3 utilizes an expertly tuned hybrid system of a 10mm beryllium-plated diaphragm dynamic driver + 2 Knowles BA paired with a high-purity monocrystalline silver-plated copper cable for a truly excellent high-fidelity sound.
Lightning-quick, intense bass
The 10mm beryllium-plated diaphragm dynamic driver in the FH3 was specifically chosen for its superior acoustic properties. The beryllium-plated diaphragm is not only light and thin but is also extremely rigid, allowing for thunderous yet lightning quick, responsive and dynamic bass.
Two Knowles BA drivers for powerful sound
Two Knowles drivers paired with a beryllium-plated dynamic driver placed near the opening of the sound tube, controlled by a physical + electronic frequency crossover system masterfully cover the entire frequency response range.
High-frequencies: the Knowles RAD-33518 driver provides extremely clear sound with well-extended yet smooth treble.
Mid-frequencies: the ED-30262 gives sweeter and fuller vocals as well as a wider soundstage.
Low-frequencies: a 10mm-beryllium-plated diaphragm dynamic driver provides explosive bass with shocking authority.
Getting closer
Allowing clearer listening
Acoustically, placing the driver responsible to treble closer to the ear reduces unwanted treble reflections that reach one’s ears compared to a typical earphone design, ensuring minimal loss of treble detail and thus making for more pleasant listening.
High-purity monocrystalline silver-plated copper cable
The included high-purity monocrystalline silver-plated copper cable was carefully chosen for its fidelity and ability to resolve details, being noticeably better than the typical earphone cable. One’s music will sound sublime with the included cable, which brings the best out of the FH3’s drivers.
4 strands of 96 wires | Gold-plated plugs | 3.5mm jack | MMCX connectors
Aerospace-grade aluminum-magnesium alloy shell
A circle of comfort for one’s ears
5-axis CNC precision machining ensures that the aluminum-magnesium alloy body of the FH3 is made to tight tolerances.
5-axis CNC machining | 23 tool bits | 4340 finish milling cuts
Smooth sailing with 3rd gen industrial design
Continuing the same design language as the others in the FH series of earphones, the all-new further refined water ripple design faceplate of the FH3 gives it robust strength while looking elegant. The various curves of different angles of the FH3 seamlessly blend into each other, attracting one’s eyes. And through data on thousands of people’s ears as well as going through more than 10 rounds of trials and iteration, an extremely comfortable design for the FH3 was created. Experience a truly smooth-sailing experience with the FH3 and immerse oneself in the world of music.
S.TURBO acoustic design
Even more performance is extracted from the beryllium-plated dynamic driver when it is combined with FiiO’s patented S.TURBO acoustic design. The longer and smoother turbine-inspired sound tubes effectively filter unwanted high frequencies, giving one deeper and harder-hitting bass.
Patent number: ZL 2018 2 1141627.9
· Physical + electronic three-way crossover
· Tube length: 41.5mm
· Effective crossover rolloff: about 32dB
Get addicted to stress-free listening
In order to achieve more comfortable listening, the FH3 utilizes FiiO’s patented balanced pressure relief technology. The FH3 is carefully designed so as to ensure that the air pressure in the front and rear chambers is balanced, thus ensuring music dynamics are not distorted and thus making for stress-free listening.
Smooth as silk frequency response
The carefully-designed internal acoustic structure as a physical frequency crossover system – ensuring that bass, mids, and treble seamlessly blend without interfering with each other for an extremely vivid experience.
• With neckband Bluetooth cable LC-BT2
Take the hi-res music around wherever with the LC-BT2’s comfortable neckband design. Equipped with the Qualcomm CSR8675 + AK4331 DAC, this neckband cable lets one experience true hi-fi music through Bluetooth.
More ways to listen
• With wireless Bluetooth earhooks UTWS1
With support for the aptX/AAC/SBC Bluetooth formats, the UTWS1 instantly transforms the FH3 hybrid IEM into a true wireless one.
If the stock wired earphone experience isn’t working out, one can try these other solutions out!
• MMCX cable upgrade
To replace the stock cable with a higher purity one, as long as it’s with the common MMCX connectors.
Hi-Res Audio certified
Meticulously catered to audiophiles
Every accessory included with the FH3 was carefully chosen to enhance one’s wearing experience. 11 pairs of eartips spanning 4 different sizes and types allow one to maximize their wearing and listening comfort.
Verified Dealers
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Authorized dealers for FiiO FH3
- 110Hz — online and in-store — Kielce, Województwo świętokrzyskie, Poland (website)
- Acoustic Technologies — online and in-store — Montréal, Québec, Canada (website)
- Addicted to Audio — online and in-store — Epping, Victoria, Australia (website)
- Advanced MP3 Players — online and in-store — Musselburgh, Scotland, United Kingdom (website)
- All Elite Audio — online and in-store — Perry Hall, Maryland, United States (website)
- Alpha Audio Pte — online and in-store — Singapore, Singapore (website)
- Apos Audio — online and in-store — Oakland, California, United States (website)
- Audeos — online and in-store — Żywiec, Województwo śląskie (website)
- Audio 46 — online and in-store — New York, New York, United States (website)
- Audio Affair — online and in-store — Deritend, England, United Kingdom (website)
and 59 more verified dealers