These open back headphones are excellent quality and light weight perfect for working at your desk or relaxing on the couch for long periods of time. FT1 Pro is equipped with FIIO’s second generation, self-developed planar driver technology. The planar driver has been designed from the ground-up by FIIO, from the diaphragm, to the patented dual-coating, to the conductive trace width, to the fine-tuning of the magnetic circuit, and even the standardized bracket fixings – all to ensure a true quality driver. 95 x 86mm FIIO-developed planar driver 1μm thin diaphragm Sapphire+Aluminum dual-coating technology Patented uniform magnetic field design 28nm-grade process technology 20Ω high-sensitivity Open-backed design 374g light weight 12-level adjustable lightweight portable headband Includes travel case comes with two headphone cables – terminated in 3.5mm single-ended and 4.4mm balanced plugs. Warranty: 1 year replacement
