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AFUL AFUL Cantor Flagship 14 BA Drivers In-Ear Monitors
Design Philosophy
Q: Some people have mentioned that the faceplate design of our Cantor resembles that of Canpur. Did you take inspiration from them during the design process?
A: Cantor incorporates a lot of new technologies, and to reflect its innovative spirit, the AFUL design team created a custom font specifically for Cantor. The font has a futuristic feel with its slanted and sharp-edged style, and each letter has been uniquely crafted. We have also secured copyright protection for this exclusive font design. We hope you enjoy it!
Comfort & Fit
Q: The Cantor's nozzle looks quite long—will it affect comfort?
A: The Cantor is actually smaller in size compared to most multi-driver IEMs on the market, with an overall height of only 27.15mm. The longer nozzle is designed to fit snugly against the inner wall of the ear tip without extending further into the ear canal, so it should not cause any discomfort. In fact, this design enhances acoustic performance, delivering superior resolution and clarity.
Dual Channel Acoustic Maze Technology - Deep Elastic Bass
The Cantor features two advanced composite drivers: one for ultra-low frequencies (10-100Hz) with an ultra-thin, extended sound tube, and another for powerful bass. Precision-tuned acoustic tubes enhance depth, power, and clarity, transforming low-frequency performance with superior elasticity and bass depth. High-Precision 3D Printed Acoustic Tube Structure
The first technology is the acoustic crossover tube. It uses physical frequency division to adjust the sound frequency response of the pair. It has been fine-tuned and optimized to harmonize the sound waves from different tubes. This eliminates the peaks caused by the resonance of the unit under traditional frequency division technology.
Non-Destructive Direct Drive Topology Technology
The Non-Destructive Direct Drive Topology Technology in the AFUL Cantor earphones enhances sound clarity by eliminating resonance through an asymmetrical sound path, delivering extended, smooth highs. This advanced approach surpasses traditional damping methods, preserving high-frequency detail without harshness.
Multidimensional Frequency Division Architecture Technology
The AFUL Cantor's Multidimensional Frequency Division Architecture efficiently integrates 14 BA drivers, each with a specific function, to deliver a cohesive soundstage with smooth frequency transitions and an immersive, balanced audio experience.
High-Precision 3D-Printed Acoustic Tube
The Cantor earphones utilize high-precision 3D printing technology to create acoustic components with ultra-fine pathways as narrow as 0.15mm, pushing the limits of 3D printing capabilities. This precision enhances audio performance, providing bass with unparalleled depth and clarity.
RLC Network Frequency Division Correction Technology
It can directly act on the sound frequency response of the pair and helps in overcoming peaks caused by the resonance of the unit under traditional frequency division technology. It also gives the balanced armature drivers a smooth treble frequency response that rivals an EST unit.
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Professional Reviews 88/100
Nicely Roasted
Sound Quality
92/100
Fit Comfort Isolation
73/100
Build Accessories
91/100
Value for Money
93/100
The AFUL Cantor pairs deep, textured bass with airy, refined treble, delivering exceptional detail, expansive imaging and cohesive layering from its 14-driver architecture. Audio-In Reviews found its technical performance especially formidable, while Tone Deaf Monk praised its natural mids and beautifully extended top end. This is a spacious, lively flagship-tuned IEM with serious resolution.
What Reviewers Are Saying
Pros
Deep, textured and impressively dynamic balanced-armature bass, with strong sub-bass rumble and clean transitions into the mids.
Exceptionally detailed, extended treble combines plentiful air and micro-detail with smooth refinement when correctly fitted.
Large, layered soundstage with focused imaging, strong separation and convincing depth.
Premium overall package, including an attractive, manageable cable and well-made case, with performance viewed as excellent value at its price.
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Cons
Long nozzle and fit-sensitive design can cause discomfort for some listeners; achieving the intended sound requires careful tip choice and insertion depth.
The U-shaped balance can make the midrange sound somewhat lean or less saturated, particularly for listeners seeking richer male vocals.
Treble may become brittle or sharp with unsuitable tips or a shallow fit.
SOUND QUALITY PERFORMANCE 92/100
The Cantor is widely praised for a highly resolving, spacious U-shaped presentation with unusually convincing BA bass and refined treble. Its major trade-offs are a sub-bass-led rather than punchy mid-bass balance, somewhat lean mids for one reviewer, and a fit-dependent upper-treble response.
Bass
94/100
Reviewers consistently praise the Cantor's deep, sustained and textured bass, with Audio-In Reviews calling it among the best bass heard below $1,000. It favors rumble, depth and electronic bass hits over a punchy, bouncy mid-bass kick, so listeners wanting extra slam may find it less ideal.
Midrange
89/100
Tone Deaf Monk found vocals and instruments exceptionally natural and pitch-correct, while Audio-In Reviews heard a clean, resolving midrange with strong center focus. Super* Review instead found the mids somewhat thin and not especially saturated, consistent with the Cantor's U-shaped balance.
Treble
92/100
Treble earns repeated praise for its extension, air, detail and smooth refinement despite carrying substantial energy. Proper insertion matters greatly: Super* Review found it brittle and sharp with an unsuitable tip or shallow fit, while Audio-In Reviews found the treble close to ideal once the nozzle was fully seated.
Resolution Separation
94/100
Detail retrieval is a standout, with Audio-In Reviews describing exceptional detail and stating competing models could not surpass it for sheer resolving ability. Instrument separation is strong without making the presentation disjointed, and Super* Review also heard a convincing hi-fi sense of detail when fit was optimized.
Soundstage Imaging
94/100
Reviewers describe a large, layered stage with notable depth, clear spatial cues and focused image placement. Tone Deaf Monk particularly praised the scope and instrumental layering, while both Super* Review and Audio-In Reviews highlighted excellent imaging once the fit was dialed in.
Dynamics Coherence
91/100
The fourteen drivers are reported to integrate very smoothly, with no obvious sense of separate frequency bands handing off to one another. Bass dynamics are especially impressive for a balanced-armature design, though its sub-bass emphasis means it is less geared toward the springy attack of mid-bass-heavy kick drums.
FIT COMFORT ISOLATION PERFORMANCE 73/100
A deep, correct insertion is essential to the Cantor's tonal balance, especially for keeping the upper treble controlled. Fit can be secure and comfortable for some ears, but the long nozzle and shell shape caused persistent discomfort for another reviewer; the reviews provide little direct assessment of passive isolation.
Seal Stability
82/100
The Cantor can achieve a secure seal, and Audio-In Reviews had success despite its sizeable shell and long nozzle. However, several comments make clear that insertion depth materially changes the sound, with shallow fit raising treble energy and incorrect fit disrupting the overall presentation.
Comfort
79/100
Comfort is notably ear-dependent. Audio-In Reviews reported no discomfort, but Tone Deaf Monk experienced soreness after roughly an hour with stock tips, and Super* Review found it somewhat uncomfortable even when it sounded its best.
Isolation
50/100
The reviews say little about real-world passive noise isolation. The long nozzle may support a deeper insertion for some listeners, but no reviewer directly establishes how effectively it blocks outside noise.
Assessments of Build Quality, Usability, and Overall Propositions.
Build Accessories
91/100
Reviewers praise the Cantor's appearance, shell construction and especially its cable, which is described as attractive, manageable and resistant to tangling. The package also includes a large case, cleaning tool, cable strap and a useful assortment of ear tips, although tip experimentation may still be needed to achieve the best fit.
Value for Money
93/100
At approximately $800, Audio-In Reviews considers the Cantor underpriced for its tuning and technical performance, calling it a particularly complete package at the asking price. Tone Deaf Monk likewise calls it excellent value, while Super* Review finds it competitive at its price but not necessarily a personal favorite.
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Authorized dealers for AFUL AFUL Cantor Flagship 14 BA Drivers In-Ear Monitors
- Elise Audio — online and in-store — Paddington, England, United Kingdom (website)
- GEEKWILLS — online and in-store — Beijing, Beijing, China (website)
- Headphone Zone — online and in-store — Laxmi Industrial Estate, Maharashtra, India (website)
- Hifi Passion — in-store — Neustadt, Bremen, Germany (website)
- HiFiGo — online and in-store — Kowloon, Hong Kong (website)
- MusicTeck — online and in-store — Tenafly, New Jersey, United States (website)
- Star Picker — in-store — Sea Park, Selangor, Malaysia (website)