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FIIO JT7 Headphones
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FiiO JT7 Open-Back Planar Magnetic Headphones 95x86mm 18Ω 7Hz-40kHz Black
The FiiO JT7 is an open-back planar magnetic headphone designed to deliver high-quality sound, cutting-edge technology, and listening comfort. Thanks to its 95x86mm speaker featuring an ultra-thin 3µm diaphragm, the JT7 delivers exceptional sound reproduction, with deep, controlled bass, warm mids, and crystal-clear highs—all combining to create a rich, detailed sound.
Featuring F.E.S. (Floating Elastic System) technology and a high-density heterogeneous magnetic system, the FiiO JT7 delivers a precise frequency response that preserves sound fidelity. The open-back design expands the soundstage.
FiiO JT7: An internal design engineered for acoustic performance
The FiiO JT7 features a proprietary 95x86mm planar magnetic driver. This design—which encompasses the development of the diaphragm, voice coil, and magnetic circuit—allows for complete control over the manufacturing process, ensuring consistent and precise sound quality. In addition, the driver's dimensions deliver a wide, immersive soundstage, as well as powerful, energetic bass.
The JT7's decision to use planar speakers involves applying an electromagnetic force that is distributed evenly across the entire surface of its ultra-thin diaphragms, significantly reducing distortion and improving transient response. The result is a pure, dynamic, and, above all, spacious sound for those seeking high-quality audio. In addition, the JT7’s speakers are equipped with a 3-micrometer diaphragm that accurately reproduces even the slightest variations in the electrical signal.
FiiO JT7: F.E.S. system, precise wiring, and robust construction
The FiiO JT7 speakers feature the patented F.E.S. (FiiO Elastic System), a texture applied to the diaphragm to increase its elasticity, resulting in precise control of diaphragm tension and allowing for greater freedom of movement without distortion. Like the FP3, FT1 Pro, and FT7 models, the JT7 uses the same manufacturing process, which is based on high-precision plating techniques from the semiconductor industry and allows the voice coil and diaphragm to be integrated into a single piece. The result is an ultra-thin cable with a stable and durable internal structure, ensuring consistent performance and long-lasting reliability.
The FiiO JT7 features a pair of high-performance neodymium-iron-boron magnets capable of generating a powerful, uniform magnetic field and delivering a sensitivity of 92dB/mW. The planar magnetic driver produces a powerful response, resulting in high volume and rich sound, even when connected to a portable or less powerful source.
FiiO JT7: Portability and Comfort
Weighing in at 318 grams, the FiiO JT7 is designed to be more compact and lighter than a traditional planar headphone. Its structure is optimized to provide maximum comfort during long listening sessions thanks to its foldable design, which allows the ear cups to rotate or the headphones to be folded up. This design makes the JT7 ideal for everyday use, while traveling, or simply for easy storage. Its ergonomic headband allows the JT7 to rotate on four axes, enabling a natural fit that adapts to the shape of your head. The precise fit ensures superior sound transmission and optimal comfort, even during extended periods of use.
To ensure the headphones' hinges are highly durable, they are made of high-strength fiberglass, a material that is much stronger than plastic. This choice guarantees greater structural rigidity, improved long-term stability, and an extended lifespan.
FiiO JT7: Detachable and highly flexible cables
The FiiO JT7 comes with an extremely flexible detachable cable system that ensures compatibility with a wide variety of audio sources. Included are a 3.5mm single-ended cable, a 4.4mm balanced cable, and a 6.35mm-to-3.5mm adapter.
Technical characteristics
| Specifications | |
|---|---|
| Product type | Headphones |
| Headphone type | Open-Back |
| Speaker type | Planar magnetic |
| Speaker diameter | 95 x 86mm |
| Frequency response | 7Hz-40kHz |
| Sensitivity | 92dB/mW @ 1kHz 109dB/Vrms @ 1kHz |
| Impedance | 18Ω @ 1kHz |
| Headphone jack | Dual 3.5mm TRS Jack |
| Cable connectors | 3.5mm single-ended jack 4.4 mm balanced jack |
| Cable conductor | OFC copper |
| Cable length | 1.5m |
| General | |
|---|---|
| Weight | 318g |
| Color | Black |
| Package | 1x FiiO JT7 1x 3.5mm Cable 1x 4.4mm Cable 1x 6.35mm male to 3.5mm female adapter 1x Storage bag |
| Color | Black |
| Impedance (Ω) | 18 |
| Efficiency / Sensitivity (dB) | 92.0 |
| Lowest frequency (Hz) | 7 |
| Highest frequency (Hz) | 40000 |
| Wireless | No |
| Cable termination | Jack 4.4mm |
| Cable termination | Jack 3.5mm |
| Headphone / Earphone connector | Jack 3.5mm |
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