The FIIO FT1 Pro is an open-back planar headphone that stands out for its high-quality sound and comfortable design. Featuring a self-developed 95x86mm planar driver and an ultra-thin 1μm diaphragm, these headphones deliver exceptional dynamic range and a frequency response of up to 40kHz. The patented double-coating process consisting of aluminum and sapphire contributes to improved sound reproduction by increasing the rigidity of the diaphragm and making the highs clearer. Weighing only 374g and with an impedance of 20Ω, the FT1 Pro is lightweight and easy to drive, making it suitable for both home and mobile use. Users and reviewers praise the FT1 Pro for its neutral and natural sound reproduction, with a well-balanced frequency response and impressive bass extension. With its combination of advanced technology and user-friendly design, the FIIO FT1 Pro is an excellent choice for audiophiles looking for a high-quality planar headphone within an affordable price range.