Hifiman HE-R10D over-ear headphones, light wood/black

The large internal space of the wooden cup provides sufficient volume and airiness while having a powerful full-bodied sound throughout the entire range.

Diaphragm coated with nanoparticles

Topology Diaphragm technology refers to the membrane on the surface of which a special coating of nanoparticles is applied. The result is a more natural and detailed sound than with emitters made using classical technology. Idea underlying the new topology was inspired by Dr. Fan Bian's doctoral dissertation on that "different nanomaterials have different structures and each of these materials has its own properties."

Therefore , carefully controlling the surface structure of the diaphragm you can get different results in acoustic performance previously unattainable. High sensitivity is achieved through the use of a rare earth magnet in the headphones. The new membrane has an expanded frequency response up to 30 kHz and has an improved voice coil.