Pioneer, High-end headphone "SE-MJ591", special film
adopted in the speaker edge.
SE-MJ591, adopted a special film of a high internal loss in the edge of speaker unit to realize
playback with less strain in the low-frequency.
In the cap portion, adopted a cap of 35 micron thickness aluminum alloy,
that made possible to gain a clear high- frequency playback. 40 mm
caliber speaker unit, In ear pads and headband cushion, adopted leather type material which good
to touch skin and high in sound insulation. In head band, highly durable stainless steel. In hanger
unit ,adopted a structure of high durability.