The Fosi Audio i5 delivers studio-level sound precision with its nano-thin diaphragm and stealth magnets, producing high-resolution audio with minimal distortion for a true-to-life listening experience. Its 97mm ultra-large diaphragm, with a 2μm thickness and magnetron-sputtered silver alloy coating, captures intricate details while maintaining durability. Designed for comfort, it features a memory-steel headband, multi-axis pivoting earcups, silicone sliders for fine adjustments, and breathable protein leather ear pads to reduce fatigue. Crafted with handcrafted walnut chambers, a CNC-milled aluminum frame, and genuine sheepskin headband, it combines luxury with durability. Powerful 44 N50 neodymium magnets and an open-back grille deliver a clear, spacious soundstage.