1.This production has been awarded the patent number of
practicality and updated technology is 200820044298.6
2.High density multi core bronze thread, effectively reduce the loss, single side incoming thread desiging, avoids rolling.Double steel inside headband, firm and hard.
3.Φ40mm large driver packs powerful Neodymium magnet and
unltra-thin diaphragm to create deep bass and spatial
sound field.