FiiO FH19

Features:

 Push-pull Dual Dynamic Driver Unit:

FiiO FH19 features a dual-dynamic and six balanced-armature driver configuration, the push-pull Dual Dynamic Driver is with two 13.7mm high-magnetic dynamic drivers with PU+DLC composite diaphragms, arranged in an opposing configuration. When the diaphragms move back and forth, the overall movement direction of the two dynamic drivers remains consistent, this is designed to ensure phase consistency. This effectively doubles the driving force, and the diaphragms can provide air damping to each other. This makes the dynamic drivers exhibit more stable movement.

Specially Customized 6 Knowles BA Setup:

All 6 BA drivers in each ear unit of the FH19 are from Knowles. High frequencies are handled by the proven SWFK-31736 driver For the mid frequency drivers, FiiO has partnered with Knowles themselves in over 2 years of extensive research on how to best implement such drivers to achieve perfect harmony between multiple drivers for an absolutely coherent sound. 

Semi-open Design:

The FH19 features a semi-open acoustic design incorporating FiiO's system of balanced pressure relief between the front and rear cavities. The result is more natural sound, and more comfortable listening in longer sessions due to greatly minimized pressure on your eardrums when listening.

Titanium Mid-frame:

The FH19’s mid-frame is made from a Titanium, and the shell fashioned from 7000 Series Aerospace Aluminium ensuring a strong, but lightweight pair of IEMs.

Patented S. Turbo Acoustic Design:

FiiO’s patented S. Turbo design ingeniously leverages sound wave guidance properties, enhancing bass performance through a turbine-shaped structure. Additionally, the design cleverly filters out excess mid-to-high-frequencies from the FH19’s dynamic drivers.

Four-way Acoustic Design:

FH19 uses low-frequency and mid-frequency drivers in a precisely controlled four-way crossover design. For the low frequencies, custom Push-pull Dual-dynamic Driver units are used, and a "turbine low-frequency boost technology" is used for physical low-pass filtering.

For the mid-frequencies, the FH19 introduces an innovative ‘3+1 Semi-open’ acoustic layout of Balanced Armatures. This is complemented by a newly designed resonant cavity, allowing for two separately managed mid-frequency zones that result in richer and more emotionally engaging mids. 

For high frequencies, the FH19 adopts a coaxial design with an acoustic guide, whilst also incorporating Rubycon Audiophile-grade Film Crossover Capacitors.

Swappable Audio Filters:

The FH19 comes with three pairs of swappable audio filters. Each filter has different internal damping and mesh density, allowing you to adjust the sound profile of the FH19, according to your personal preference:

Red audio filter: Enhance low frequencies, providing powerful and impactful bass.
Black audio filter: Offer balanced sound that is clear and transparent.
Green audio filter: Deliver refined and detailed treble.

High-purity Pure Silver Cable:

FH19 has a high-purity pure silver cable with 8 branches of 28 wires each. for a total of 224 wires. Each wire is individually isolated and all are braided together in the Litz style. The outer sheath of the cable is made from environmentally friendly TPU, which not only sports a radiant transparent look but is also resistant against yellowing under long-term use and stiffening when in low-temperature environments.

Dual Plugs:

The FiiO FH19 comes with two twist-lock swappable jack plugs — 1 x 3.5mm single-ended, and 1 x 4.4mm balanced — ensuring the IEMs can be used with a wide range of audio devices including, Digital Audio Players (DAPs), Headphone Amplifiers, PCs and more.

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Specifications: