The ultimate flagship headphone HE1000 by HIFIMAN 1. World’s first diaphragm in nanometer thickness The diaphragm in nanometer thickness is extremely low in mass, yielding faster response and lower distortion. 2. Advanced asymmetrical magnetic circuit 7 years of research and devotion into the groundbreaking design offers near perfect reproduction of live music. Regular planar magnetic driver insufficient construction of sound apertures from classical planar magnetic driver creates reflections, deflections, and refraction of sound waves, resulting in audible distortion. HIFIMAN advanced asymmetrical planar driver the innovative design of the double-sided, asymmetrical magnetic circuit is the perfect marriage of the diaphragm in nanometer thickness and its magnetic partner. The result is planar magic. 3. Patented “window shade” system created to meet the need for driver protection and optimized open-back design Traditional grill designs tend to reflect sound waves, creating audible interference and distortion. The patented "window shadow" Design is precisely structured to achieve an optimal open-back design. It prevents interference from the sound waves, avoiding unwanted reflections and vibrations, which cause distortion. This results in a wider and natural soundstage, outstanding imagine and remarkable clarity. 4. Meticulously crafted and quality-checked by hand with its unique design, exceptional function and exquisite craftsmanship, The HE1000 is the total luxury item that redefines the audio landscape. 5. Enjoy excellent comfort and remarkable sound quality ergonomic and comfortable, The headband features a steady arch Structure, A universal design with improved reliability and durability. Style: Open back impedance: 353 ohms