(10 ชิ้น) หูฟังอินเอียร์ผ้าฝ้ายสําหรับ Y1 Y2 Y3 Y4 Y5 Y6 Diy
(10pieces) In-ear earphone Earbuds tuning paper tuning cotton perforated open hole tuning cotton Y1 Y2 Y3 Y4 Y5 Y6 diy Earbuds headphone
The outer diameter is 3mm the inner diameter is 1.5MM.
the hole behind the small speaker of the earphone is used for tuning or the earphone shell is punched drilled and the front cavity is opened. Y1 density Y4 density in order the density of Y1 Y2 Y3 Y4 Y5 Y6 is getting higher and higher and the air permeability is getting smaller and smaller so Y1 and Y6 are not commonly used. The most commonly used are the three types of Y2 Y3 Y4
Package included:
10pieces tuning cotton