FiiO FT1 Closed Back Nano Wood Fiber Composite Diaphragm Wired Headphones with Detachable Cable and American Black Walnut Wood Ear Cups for and

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【Voltage Compatibility】 When using electrical appliances, please note that they are designed for Japanese voltage specifications (90-110V), so if you use them with a different voltage, it may cause a malfunction. 【Plug Type】 Our products use Japanese plug types (A or B type). Please use a conversion adapter if necessary. 【Important Note on Transformers and Adapters】 A transformer adjusts voltage to match your device’s requirements. A conversion adapter only changes the plug shape and does not adjust voltage. Using only a conversion adapter without a transformer may result in damage to the product. 【Liability】 We are not responsible for malfunctions or damages caused by improper use, such as operating the product without a transformer.

[Nano wood fiber composite diaphragm] The diaphragm of the FIIO FT1 earphones is mainly made of carefully selected wood fibers, and is based on 90-year-old spruce from Scandinavia. The diaphragm is approximately 0.1mm thick as it incorporates a certain proportion of carbon fiber material. Achieves a balance of lightweight and durable physical properties. [W-shaped independent suspension design] The W-shaped independent suspension design derived from FIIO's latest self-developed acoustic technology increases the effective vibration area of the diaphragm by 25.8% compared to the conventional diaphragm design of the same size. This large effective diaphragm area and amplitude allow the acoustic core unit to store more acoustic energy. [North American Solid Walnut Ear Cups] FT1 earphones adopt North American FAS grade premium black walnut solid wood ear cups, providing an immersive experience of natural beauty from the original wood, known for its exquisite texture. High-density solid wood not only effectively reduces cavity resonance and minimizes standing waves, but each piece of wooden earcups has a unique grain pattern, making it distinctly yours. 【Portable Lightweight Headband】FT1 adopts ball slide rail headband design, which greatly improves its durability. Compared to other products in its class, the FT1 offers a wide adjustment range from 0 to 11 notches to accommodate a variety of head sizes. The contact part of the headband is covered with suede fabric, which is comfortable, breathable, refreshing and durable. 【2 Oxygen-Free Copper Silver Plated Headphone Cables Standard】Audio connectors include 3.5mm single-ended and 4.4mm balanced plugs. Both cables have the same specifications, using oxygen-free copper and silver plating, and include 392 wires. Each cable is 1.5 meters long and has a diameter of 24AWG. FT1 is FIIO's first closed-back wooden earphone, using high-quality North American black walnut for the earcups, giving it an exquisite appearance and fine grain. Each wood grain pattern is unique and provides a personal touch. Acoustically, the FT1 features Feiao's second-generation 60mm large dynamic driver unit, delivering rich and powerful sound with a lower resonant frequency. The diaphragm is made of nanowood fiber composite, which provides excellent high-frequency extension and transient response, ensuring the sweetly smooth, densely detailed mid-frequency vocal performance typical of paper diaphragms.