Brand
AFUL stands for “At Full,” signifying perfection, completeness, and the pursuit of excellence. In Chinese, it translates to “致音,” representing the ultimate in sound quality and reverence. “致” conveys meanings of respect, focus, achievement, precision, and refinement, highlighting AFUL’s dedication to achieving perfect sound.
History
2018: The journey began with a dedicated acoustic team that focused on developing cutting-edge acoustic technology. High-quality 3D printing and acoustic testing equipment were acquired and a professional acoustic lab was built.
2019:
A breakthrough was achieved with the first engineering prototypes that featured a novel circuit topology and acoustic structure. The brand designed a single BA driver to deliver stunning HiFi performance.
2020:
The technology was refined and the second generation of circuit topology and acoustic structure was developed. Three technology patents were secured for the innovations.
2021:
The technology was commercialized and new applications were explored. The original S&E Math technology was recognized by the Chinese Academy of Sciences and selected for the “China-Denmark Technology Exchange Roadshow” to showcase the technological prowess to Denmark.
2022:
The Performer series earphones were successfully launched worldwide, receiving rave reviews from customers and critics alike. The S&E-Math technology also won government funding from the Suzhou Municipal Government’s “Leading Talent Award”.
2023:
The latest masterpiece is ready to be unveiled: the 1DD+7BA Performer 8. Single Balanced Armature driver IEMs MagicOne based on S&E-math technology is also in the pipeline.
Upgrades from the Perfomer 5
Configuration: 2 dynamic drivers + 4 balanced armatures + 1 micro planar driver
1.The low frequencies have been enhanced with dual dynamic drivers and a 3D-printed Y-shaped structure, significantly improving bass elasticity and density.
Attached Image: Dual low-frequency drivers with a Y-shaped structure
- The addition of a micro planar driver to the high frequencies significantly improves treble extension and enhances overall sound accuracy.
Frequency response chart of the micro planar driver.
The micro planar driver offers impressive ultra-high frequency extension in the 10kHz to 20kHz range with exceptionally low distortion, as illustrated in the diagram below.
This enhancement provides the Performer 5+2 with outstanding sound reproduction, delivering exceptional spatial imaging and instrument clarity.
3.The acoustic structure and crossover circuit have been further refined, enhancing the overall sound coherence and texture.
Attached image: 3D rendering.
Technology Overview
All drivers have their limitations, and traditional technologies have pushed these drivers to their limits, making significant sound quality improvements challenging. To overcome this, AFUL has developed three key technologies:
High-Precision 3D Printed Acoustic Tube Structure
RLC Network Frequency Division Correction Technology
High-Damping Air-Pressure Balance System
By integrating precise and complex 3D acoustic structures with RLC network crossovers, AFUL has significantly elevated acoustic performance. This advanced modeling and design of the “acoustic structure-speaker-RLC network” has achieved a substantial leap in sound quality.
Key featuresFeature 1: High Fidelity Reproduction. (Note: This description pertains to later single-balanced armature models and is not applicable here.)
Traditional technologies often rely on multiple drivers to achieve high-quality sound, which can lead to issues with coherence and integration. Our technology, however, allows a single driver to perform effectively across different frequency ranges by precisely tuning its sound characteristics. This enables us to create earphones with exceptional accuracy and a natural sound profile, ensuring an immersive experience without any frequency range feeling overly dominant or insufficient.
Feature 2: Wide Frequency Response Range
A wider frequency response range allows for greater accuracy and realism in reproducing instruments, capturing both the primary fundamental frequencies and the harmonic overtones effectively. Many earphones on the market can only handle the main frequency ranges and fall short in reproducing overtones due to their limited frequency response.
How does technology to make it possible？
Most tuning in the industry is done using simple circuits or acoustic paths. However, AFUL combines circuit and acoustic modeling, employing complex multidimensional mathematical calculations to overcome tuning challenges and achieve superior sound quality.
Feature 3: Easy to drive
Thanks to its advanced technology, the Performer 5+2 is highly efficient and easy to drive. While a high-quality source will maximize its potential, it still provides excellent sound quality when used with portable dongles or Bluetooth DAC/Amps.
Feature 4: Exceptional Bass and Treble
The addition of two dynamic drivers and a micro planar unit, along with AFUL’s unique acoustic and circuit design, ensures that the bass texture, depth, treble resolution, and instrument separation are all top-notch.
三、Sound Signature
Bass: The bass is highly elastic and extends deeply, thanks to:
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Dual dynamic drivers and a specialized acoustic structure.
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An extended low-frequency acoustic tube that optimizes sub-bass performance.
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High-damping pressure relief duct that enhance bass texture while relieving ear canal pressure.
Vocals: Natural and warm, maintaining a rich atmosphere while revealing intricate details.
Treble: Smoothly extended, ensuring accurate reproduction of instruments and their harmonics.
Ultra-High Frequencies: With a range of 10kHz to 30kHz, the addition of a micro planar driver and AFUL’s special acoustic design delivers performance that surpasses most electrostatic earphones.
Drivability: The Performer 5+2 is highly efficient and very easy to drive. We also recommend pairing it with Bluetooth earhooks or a Bluetooth DAC/Amp, as this combination generally delivers superior performance compared to most other wireless Bluetooth earphones.
Recommended Pairings and Music: The Performer 5+2 pairs well with a range of sources and is versatile enough to handle various genres, excelling in both pop and classical symphonies.
