From the ETA Website: "The legacy Mini Open headphone was an exercise in maximum minimalism - stripping down the enclosure to its most basic form to reveal the most potential of the drivers within. The question therefore arises - given the unique strength

Co-Flagship Open Back ZMF Headphone

"One of the highest-grade canal type headphones produced by Ocharaku, a collaborative product between Ocharaku and OAK VILLAGE - a woodcrafts company based in the forests of Takayama, Japan."