FiiO FD15 Magnalium Dynamic Driver IEM Black

The all-new FIIO FD15 introduces a truly high-end driver design - a magnalium diaphragm DLC gasket driver. By innovatively combining these two materials, not only does the FD15 deliver a spacious and relaxed natural sound, but it does so while achieving new heights in the reproduction of musical detail for truly transparent sound. Magnalium diaphragm – a scientifically calculated blend of magnesium and aluminium that features high hardness and low distortion when moved for a clear, detailed treble. DLC gasket – DLC diamond-like carbon is known for being both rigid yet flexible, which means less breakup during movement and ultimately higher-quality sound.
Mid-range vocals, Simply purely good - Quality materials yield quality sound, and HiFi is no exception to this principle. The FD15 features a thoroughly refined mid-range, with genuine innovation in the usage of materials and new technologies. Once again, we strive to adhere to the philosophy of simply providing great, pure sound.
Large 13.8mm dynamic driver - The FD15 explores higher levels of core audio performance by increasing the diameter of the dynamic driver to and astonishing 13.8mm. Compared to its predecessor, the FD5, this results in an increase in effective diaphragm area of approximately 40%. Moreover, the larger the dynamic driver, the more air it can push through, thereby improving the efficiency of electroacoustic conversation at its source. This enhancement elevates the overall quality and scale, allowing mid-frequency vocals to feel as if they are right next to the ear.
Φ8.6mm long voice coil - Based on professional design principles, the voice coil diameter of the FD15 has been increased from FD5’s Φ6.2mm to Φ8.6mm. The longer voice coil copper wire directly enhances efficiency and power capacity, resulting in improved transients. The result is a cleaner, more natural sound that fully allows you to fully appreciate its charming mids.
1.5T external magnet design - The driver structure is of course one of the most important parts of a dynamic driver earphone. The FD15 draws inspiration from innovative acoustic concepts and adopts a powerful external magnet design. The magnet volume has increased by about 69.5%, and the magnetic flux can reach up to 1.5T. This abundant and uniform energy supply ensures that this high-end driver consistently works well.
Deeper bass, for an emotionally deeper experience - “Tesla Valve” patented bass enhancement acoustic design: Inspiring new acoustic thinking, with special attention to immersive bass. The FIIO FD15 takes the lead by incorporating the F.T.B.S. ‘Tesla Valve’ patented bass enhancement acoustic design. Thanks to the high-precision powder metallurgy process used in creating the FD15, the length, angle, and quantity of channels within the earphone cavity are specially calculated to achieve a Tesla valve fluid structure that significantly enhances bass extension. Experience truly deep yet detailed bass.
316L