FIIO FD15 from an authorized Japanese retailer Serial number Earphones FIO-IEM-FD15-B [Shipped - included]

We offer a wide variety of products, and the following precautions apply to some of them. Please note that they are listed for all products. 【Voltage Compatibility】Designed for Japanese voltage (90-110V). Using with a different voltage may cause malfunction. 【Plug Type】Japanese plugs (A or B type). Use a conversion adapter if needed. 【Transformers & Adapters】Transformers adjust voltage; adapters only change plug shape. Using an adapter without a transformer may damage the product. 【Liability】We are not responsible for damages caused by improper use, such as using the product without a transformer. Equipped with a newly developed 13.8mm diameter dynamic driver. Magnesium-aluminum alloy diaphragm contributes to improved driver performance. A magnet with a magnetic flux density of 1.5 Tesla powerfully drives the voice coil. A large 8.6mm diameter voice coil produces high playback performance. Sound control via replaceable characteristic sound tubes Acoustic prism system that achieves ideal acoustic characteristics It employs the patented "F.T.B.S" technology to improve low-frequency sound. A housing design that achieves both high sound quality and a sophisticated design. A meticulously crafted casing design that enhances its beauty. A 480-core cable, a blend of single-crystal copper wire and silver-plated single-crystal copper wire, is included as standard, enabling high-quality transmission. The FD15 is an in-ear monitor type earphone equipped with a dynamic driver, succeeding the "FD5". It features a newly developed 13.8mm diameter dynamic driver and a newly adopted diaphragm made of Magnalium (magnesium-aluminum alloy). This latest model enables effective diaphragm control thanks to a powerful magnet with a magnetic flux density of 1.5 Tesla and new patented technology.